Revert "[GCC] Unify GCC between ChromeOS and Android."

This reverts commit c5ee8738c30a88bb891a99110cda342f8a260454.

BUG=chromium:592909

Change-Id: If3288641419a81ab6e391fbac8cc66f4ebd6476e
Reviewed-on: https://chromium-review.googlesource.com/331404
Reviewed-by: Luis Lozano <[email protected]>
Commit-Queue: Luis Lozano <[email protected]>
Tested-by: Luis Lozano <[email protected]>
75 files changed