[gyp][Android] Implement TestGypAndroid.run_built_executable.

buildbot/buildbot_run.py

Index: buildbot/buildbot_run.py
diff --git a/buildbot/buildbot_run.py b/buildbot/buildbot_run.py
index cc3a25aedbd1de6384ede0e490ca9f3b7979ecb7..9d30a416bd205bfd5010862c94725d84d040edd9 100755
--- a/buildbot/buildbot_run.py
+++ b/buildbot/buildbot_run.py
@@ -107,6 +107,26 @@ def PrepareAndroidTree():
       cwd=ANDROID_DIR)
 
 
+def StartAndroidEmulator():
+  """Start an android emulator from the built android tree."""
+  print '@@@BUILD_STEP Start Android emulator@@@'
+  subprocess.Popen(
+      ['/bin/bash', '-c',
+       'source build/envsetup.sh && $ANDROID_HOST_OUT/bin/emulator'],
+      cwd=ANDROID_DIR)
+  CallSubProcess(
+      ['/bin/bash', '-c',
+       'source build/envsetup.sh && $ANDROID_HOST_OUT/bin/adb wait-for-device'],
+      cwd=ANDROID_DIR)
+
+
+def StopAndroidEmulator():
+  """Stop all android emulators."""
+  print '@@@BUILD_STEP Stop Android emulator@@@'
+  # If this fails, it's because there is no emulator running.
+  subprocess.call(['pkill', 'emulator.*'])
+
+
 def GypTestFormat(title, format=None, msvs_version=None, tests=[]):
   """Run the gyp tests for a given format, emitting annotator tags.
 
@@ -160,7 +180,11 @@ def GypBuild():
   # The Android gyp bot runs on linux so this must be tested first.
   if os.environ['BUILDBOT_BUILDERNAME'] == 'gyp-android':
     PrepareAndroidTree()
-    retcode += GypTestFormat('android')
+    StartAndroidEmulator()
+    try:
+      retcode += GypTestFormat('android')
+    finally:
+      StopAndroidEmulator()
   elif sys.platform.startswith('linux'):
     retcode += GypTestFormat('ninja')
     retcode += GypTestFormat('make')