tree 39204b32ab32037f5164b0aab2331a457adb02e4
parent abc983f68aacbaf0e6885fb64337d1b681cdbd9b
author Yahan Zhou <yahan@google.com> 1502321082 -0700
committer Lingfeng Yang <lfy@google.com> 1502467688 +0000

Do not use fast copy with GL_ALPHA8_EXT

It fixes emulator ANGLE boot with GLES3.

BUG: 64484749
Change-Id: I491aa2d5d27e2f1f9e65e33a81b6b320ffec3f3d
(cherry picked from commit 9f5a49f63a6ae9ca833c74087ffa86ba70112c55)