Revert of GN: Include webrtc/api targets even if rtc_include_tests=false

Revert of GN: Include webrtc/api targets even if rtc_include_tests=false (patchset #2 id:20001 of https://codereview.webrtc.org/2725053008/ )

Reason for revert:
Fails Chromium builds: 
b/c/b/linux/src/buildtools/linux64/gn gen //out/Release --check
  -> returned 1
ERROR at //third_party/webrtc/api/BUILD.gn:186:5: Can't load input file.
    "//webrtc/test:test_support",
    ^-------------------------

Original issue's description:
> GN: Include webrtc/api targets even if rtc_include_tests=false
> 
> The main purpose with the rtc_include_tests GN variable is to avoid
> generating and compiling all the test targets.
> Some of our examples have dependencies on the test headers in API,
> so therefore this change is relaxing that condition.
> 
> BUG=webrtc:6828
> NOTRY=True
> TBR=ehmaldonado@webrtc.org,
> 
> Review-Url: https://codereview.webrtc.org/2725053008
> Cr-Commit-Position: refs/heads/master@{#16989}
> Committed: https://chromium.googlesource.com/external/webrtc/+/a769ceba656eff1d12df82ef3058306cf948b215

TBR=ehmaldonado@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:6828
Review-Url: https://codereview.webrtc.org/2728073002
Cr-Commit-Position: refs/heads/master@{#16990}
Committed: https://chromium.googlesource.com/external/webrtc/+/2f6af9ca7ad47537e8df8634cc9e23c0df860b4e

[kjellander_webrtc, 2017-03-03 06:26:08]

The CQ bit was checked by kjellander@webrtc.org

[kjellander_webrtc, 2017-03-03 06:26:09]

Created Revert of GN: Include webrtc/api targets even if rtc_include_tests=false

[commit-bot: I haz the power, 2017-03-03 06:26:18]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.webrtc.org/...

[commit-bot: I haz the power, 2017-03-03 06:26:24]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1488522368813070, "parent_rev":
"a769ceba656eff1d12df82ef3058306cf948b215", "commit_rev":
"2f6af9ca7ad47537e8df8634cc9e23c0df860b4e"}

[commit-bot: I haz the power, 2017-03-03 06:26:25]

Description was changed from

==========
Revert of GN: Include webrtc/api targets even if rtc_include_tests=false
(patchset #2 id:20001 of https://codereview.webrtc.org/2725053008/ )

Reason for revert:
Fails Chromium builds: 
b/c/b/linux/src/buildtools/linux64/gn gen //out/Release --check
  -> returned 1
ERROR at //third_party/webrtc/api/BUILD.gn:186:5: Can't load input file.
    "//webrtc/test:test_support",
    ^-------------------------

Original issue's description:
> GN: Include webrtc/api targets even if rtc_include_tests=false
> 
> The main purpose with the rtc_include_tests GN variable is to avoid
> generating and compiling all the test targets.
> Some of our examples have dependencies on the test headers in API,
> so therefore this change is relaxing that condition.
> 
> BUG=webrtc:6828
> NOTRY=True
> TBR=ehmaldonado@webrtc.org,
> 
> Review-Url: https://codereview.webrtc.org/2725053008
> Cr-Commit-Position: refs/heads/master@{#16989}
> Committed:
https://chromium.googlesource.com/external/webrtc/+/a769ceba656eff1d12df82ef3...

TBR=ehmaldonado@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:6828
==========

to

==========
Revert of GN: Include webrtc/api targets even if rtc_include_tests=false
(patchset #2 id:20001 of https://codereview.webrtc.org/2725053008/ )

Reason for revert:
Fails Chromium builds: 
b/c/b/linux/src/buildtools/linux64/gn gen //out/Release --check
  -> returned 1
ERROR at //third_party/webrtc/api/BUILD.gn:186:5: Can't load input file.
    "//webrtc/test:test_support",
    ^-------------------------

Original issue's description:
> GN: Include webrtc/api targets even if rtc_include_tests=false
> 
> The main purpose with the rtc_include_tests GN variable is to avoid
> generating and compiling all the test targets.
> Some of our examples have dependencies on the test headers in API,
> so therefore this change is relaxing that condition.
> 
> BUG=webrtc:6828
> NOTRY=True
> TBR=ehmaldonado@webrtc.org,
> 
> Review-Url: https://codereview.webrtc.org/2725053008
> Cr-Commit-Position: refs/heads/master@{#16989}
> Committed:
https://chromium.googlesource.com/external/webrtc/+/a769ceba656eff1d12df82ef3...

TBR=ehmaldonado@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:6828

Review-Url: https://codereview.webrtc.org/2728073002
Cr-Commit-Position: refs/heads/master@{#16990}
Committed:
https://chromium.googlesource.com/external/webrtc/+/2f6af9ca7ad47537e8df8634c...
==========

[commit-bot: I haz the power, 2017-03-03 06:26:28]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/webrtc/+/2f6af9ca7ad47537e8df8634c...