Added android-chrome support to bisect script. Now if the config file specifies --browser=android-chrome and an "--extra_src" is specified, it will attempt to checkout and build android-chrome rather than just vanilla android.

BUG=301552

Review URL: https://codereview.chromium.org/99963003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@238606 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 238606
telemetry: Add thread time to telmetry timeline.

R=nduca@chromium.org,tonyg@chromium.org,fmeawad@chromium.org
BUG=

Review URL: https://codereview.chromium.org/100073003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@238607 0039d316-1c4b-4281-b951-d872f2087c98
ChromiumEnv::GetChildren() now filtering out '.' and '..'

BUG=324936

Review URL: https://codereview.chromium.org/100243002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@238608 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 238608