Android: fixes out dir for adb_gdb with cr tool.

Use the CHROMIUM_OUT_DIR variable when available.

BUG=
NOTRY=True

Review URL: https://codereview.chromium.org/77843003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@237571 0039d316-1c4b-4281-b951-d872f2087c98
Register WideVine keysystem for WebView.

BUG=322395

Change-Id: I7b4a52824c0b82b3cf9d1e6b6d133bb741d0d96a

Review URL: https://codereview.chromium.org/82803002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@237572 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 237572