Remove invalid triggers for WebRTC Android testers
Remove invalid triggers for WebRTC Android testers

In https://codereview.chromium.org/26494004/ I
accidentally added triggers for the testers as well,
causing confusion in the waterfall after a build
had finished.

TEST=none
BUG=none
TBR=ilevy@chromium.org

Review URL: https://codereview.chromium.org/27305002

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@228643 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build