Make android_junit_tests use LocalRobolectricTestRunner

Make android_junit_tests  use LocalRobolectricTestRunner

This was originally fixed in https://codereview.webrtc.org/2346793002
but that CL was reverted. In the reland (https://codereview.webrtc.org/2348663003)
only the GN change was included, not the code change.

BUG=webrtc:6365
NOTRY=True
TBR=sakal@webrtc.org

Committed: https://chromium.googlesource.com/external/webrtc/+/da96288904bfddabb383bf9862233f0b1a34a494

[commit-bot: I haz the power, 2016-09-18 19:28:19]

Description was changed from

==========
Make android_junit_tests  use LocalRobolectricTestRunner

This was originally fixed in https://codereview.webrtc.org/2346793002
but that CL was reverted. In the reland
(https://codereview.webrtc.org/2348663003)
only the GN change was included, not the code change.

BUG=webrtc:6365
NOTRY=True
TBR=sakal@webrtc.org
==========

to

==========
Make android_junit_tests  use LocalRobolectricTestRunner

This was originally fixed in https://codereview.webrtc.org/2346793002
but that CL was reverted. In the reland
(https://codereview.webrtc.org/2348663003)
only the GN change was included, not the code change.

BUG=webrtc:6365
NOTRY=True
TBR=sakal@webrtc.org

Committed: https://crrev.com/da96288904bfddabb383bf9862233f0b1a34a494
Cr-Commit-Position: refs/heads/master@{#14281}
==========

[kjellander_webrtc, 2016-09-18 19:28:20]

Description was changed from

==========
Make android_junit_tests  use LocalRobolectricTestRunner

This was originally fixed in https://codereview.webrtc.org/2346793002
but that CL was reverted. In the reland
(https://codereview.webrtc.org/2348663003)
only the GN change was included, not the code change.

BUG=webrtc:6365
NOTRY=True
TBR=sakal@webrtc.org

Committed: https://crrev.com/da96288904bfddabb383bf9862233f0b1a34a494
Cr-Commit-Position: refs/heads/master@{#14281}
==========

to

==========
Make android_junit_tests  use LocalRobolectricTestRunner

This was originally fixed in https://codereview.webrtc.org/2346793002
but that CL was reverted. In the reland
(https://codereview.webrtc.org/2348663003)
only the GN change was included, not the code change.

BUG=webrtc:6365
NOTRY=True
TBR=sakal@webrtc.org

Committed:
https://chromium.googlesource.com/external/webrtc/+/da96288904bfddabb383bf986...
==========

[commit-bot: I haz the power, 2016-09-18 19:28:20]

Patchset 1 (id:??) landed as
https://crrev.com/da96288904bfddabb383bf9862233f0b1a34a494
Cr-Commit-Position: refs/heads/master@{#14281}

[kjellander_webrtc, 2016-09-18 19:28:21]

Committed patchset #1 (id:1) manually as
da96288904bfddabb383bf9862233f0b1a34a494 (presubmit successful).

[sakal, 2016-09-19 07:14:45]

Oops. lgtm