[Android] Fix miscellaneous small issues with gtest platform mode.

build/android/pylib/local/device/local_device_gtest_run.py

Index: build/android/pylib/local/device/local_device_gtest_run.py
diff --git a/build/android/pylib/local/device/local_device_gtest_run.py b/build/android/pylib/local/device/local_device_gtest_run.py
index a8452600791a8c08d80b7af19713bd76d3b0a6b0..48941e9223b12dd28940e2bdd5d2bd8f15b17427 100644
--- a/build/android/pylib/local/device/local_device_gtest_run.py
+++ b/build/android/pylib/local/device/local_device_gtest_run.py
@@ -21,11 +21,15 @@ _EXTRA_COMMAND_LINE_FILE = (
     'org.chromium.native_test.NativeTestActivity.CommandLineFile')
 _EXTRA_COMMAND_LINE_FLAGS = (
     'org.chromium.native_test.NativeTestActivity.CommandLineFlags')
+_EXTRA_SHARD_NANO_TIMEOUT = (
+    'org.chromium.native_test.NativeTestInstrumentationTestRunner'
+        '.ShardNanoTimeout')
 _EXTRA_TEST_LIST = (
     'org.chromium.native_test.NativeTestInstrumentationTestRunner'
         '.TestList')
 
 _MAX_SHARD_SIZE = 256
+_SECONDS_TO_NANOS = int(1e9)
 
 # TODO(jbudorick): Move this up to the test instance if the net test server is
 # handled outside of the APK for the remote_device environment.
@@ -65,6 +69,14 @@ class _ApkDelegate(object):
   def Run(self, test, device, flags=None, **kwargs):
     extras = dict(self._extras)
 
+    if 'timeout' in kwargs:
+      # Make sure the instrumentation doesn't kill the test before the
+      # scripts do. The provided timeout value is in seconds, but the
+      # instrumentation deals with nanoseconds because that's how Android
+      # handles time.
+      extras[_EXTRA_SHARD_NANO_TIMEOUT] = int(
+          kwargs['timeout'] * _SECONDS_TO_NANOS)
+
     with device_temp_file.DeviceTempFile(device.adb) as command_line_file:
       device.WriteFile(command_line_file.name, '_ %s' % flags if flags else '_')
       extras[_EXTRA_COMMAND_LINE_FILE] = command_line_file.name
@@ -238,7 +250,7 @@ class LocalDeviceGtestRun(local_device_test_run.LocalDeviceTestRun):
   def TearDown(self):
     @local_device_test_run.handle_shard_failures
     def individual_device_tear_down(dev):
-      for s in self._servers[str(dev)]:
+      for s in self._servers.get(str(dev), []):
         s.TearDown()
 
     self._env.parallel_devices.pMap(individual_device_tear_down)