[Android] Make additional_apks option default to empty list.
This option currently causes an error for tests run in platform
mode. Making additional_apks default to [] to fix this.
BUG=
Review URL: https://codereview.chromium.org/1376813002
Cr-Commit-Position: refs/heads/master@{#351342}
diff --git a/build/android/test_runner.py b/build/android/test_runner.py
index 4a61aac..16a2260 100755
--- a/build/android/test_runner.py
+++ b/build/android/test_runner.py
@@ -333,7 +333,7 @@
'(without the .apk extension; '
'e.g. "ContentShellTest").'))
group.add_argument('--additional-apk', action='append',
- dest='additional_apks',
+ dest='additional_apks', default=[],
help='Additional apk that must be installed on '
'the device when the tests are run')
group.add_argument('--coverage-dir',
