Update examples GYP to avoid rtc_base_approved warning.

webrtc/base/base.gyp

Index: webrtc/base/base.gyp
diff --git a/webrtc/base/base.gyp b/webrtc/base/base.gyp
index f43fde215c78c9e74629c3fd16306a6b20d472cd..9e1b3d09b6d67fc20d2eb61b98ce3fc858361427 100644
--- a/webrtc/base/base.gyp
+++ b/webrtc/base/base.gyp
@@ -88,6 +88,8 @@
         'byteorder.h',
         'checks.cc',
         'checks.h',
+        'common.cc',
+        'common.h',
         'constructormagic.h',
         'criticalsection.cc',
         'criticalsection.h',
@@ -98,6 +100,8 @@
         'event_tracer.h',
         'exp_filter.cc',
         'exp_filter.h',
+        'flags.cc',
+        'flags.h',
         'logging.cc',
         'logging.h',
         'md5.cc',
@@ -134,6 +138,8 @@
         'timeutils.cc',
         'timeutils.h',
         'trace_event.h',
+        'urlencode.cc',
+        'urlencode.h',
       ],
       'conditions': [
         ['build_with_chromium==1', {
@@ -196,8 +202,6 @@
         'base64.h',
         'bind.h',
         'callback.h',
-        'common.cc',
-        'common.h',
         'copyonwritebuffer.cc',
         'copyonwritebuffer.h',
         'crc32.cc',
@@ -217,8 +221,6 @@
         'fileutils_mock.h',
         'firewallsocketserver.cc',
         'firewallsocketserver.h',
-        'flags.cc',
-        'flags.h',
         'format_macros.h',
         'gunit_prod.h',
         'helpers.cc',
@@ -382,8 +384,6 @@
         'transformadapter.h',
         'unixfilesystem.cc',
         'unixfilesystem.h',
-        'urlencode.cc',
-        'urlencode.h',
         'versionparsing.cc',
         'versionparsing.h',
         'virtualsocketserver.cc',