Takes care of non-component Clank build and 64 bit.

BUG=angleproject:1362
TEST=angle_end2end_tests

Change-Id: Ib338734960c6ac378ae49028ae30416bff31ac2a
Reviewed-on: https://chromium-review.googlesource.com/352710Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Yuly Novikov <ynovikov@chromium.org>