android: Run cc_perftests with high performance CPU governor

Run the cc_perftests test suite with the high performance CPU governor
on Android to reduce the amount of noise in the results.

BUG=310000

Review URL: https://codereview.chromium.org/31063005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@230692 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 230692