Update asan_symbolize script to work with new logcat format.

Also works with unprefixed reports.

BUG=325685
R=glider@chromium.org, bulach@chromium.org

Review URL: https://codereview.chromium.org/148763008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@247673 0039d316-1c4b-4281-b951-d872f2087c98
Create fileapi/ subdirectory under c/b/cros/drive.

We have quite a few number (12) of files for providing interfaces
to FileSystem API. They can be clearly separated from other
files under drive/.

BUG=none

Review URL: https://codereview.chromium.org/148913005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@247674 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 247674