[Android] Add --gtest-filter-file option to the test runner.

[Android] Add --gtest-filter-file option to the test runner.

This is proving useful for test filters involving >1 test, which I'm
using heavily as I work on the net test server.

BUG=428729
Committed: https://crrev.com/442a693ff2fffc12ea8acfbe04d3dbcc4674508f
Cr-Commit-Position: refs/heads/master@{#314254}

[jbudorick, 2015-02-02 18:55:43]

jbudorick@chromium.org changed reviewers:
+ klundberg@chromium.org

[klundberg, 2015-02-02 20:05:56]

LGTM

https://codereview.chromium.org/892273002/diff/1/build/android/test_runner.py
File build/android/test_runner.py (right):

https://codereview.chromium.org/892273002/diff/1/build/android/test_runner.py...
build/android/test_runner.py:220: help='Path to file that contains gtest-style '
nit: above the help text use "googletest-style", here you use "gtest-style".
Consistency would be nice :-)

[jbudorick, 2015-02-02 21:36:23]

https://codereview.chromium.org/892273002/diff/1/build/android/test_runner.py
File build/android/test_runner.py (right):

https://codereview.chromium.org/892273002/diff/1/build/android/test_runner.py...
build/android/test_runner.py:220: help='Path to file that contains gtest-style '
On 2015/02/02 20:05:55, klundberg wrote:
> nit: above the help text use "googletest-style", here you use "gtest-style".
> Consistency would be nice :-)

switched this one to "googletest-style"

[jbudorick, 2015-02-02 21:36:26]

The CQ bit was checked by jbudorick@chromium.org

[commit-bot: I haz the power, 2015-02-02 21:37:13]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/892273002/20001

[commit-bot: I haz the power, 2015-02-03 03:01:46]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-02-03 03:02:52]

Patchset 2 (id:??) landed as
https://crrev.com/442a693ff2fffc12ea8acfbe04d3dbcc4674508f
Cr-Commit-Position: refs/heads/master@{#314254}