Remove all tests from android_optional_gpu_tests_rel.

android_n5x_swarming_rel currently runs all of the tests that this
optional tryserver used to.

TBR=ynovikov@chromium.org
NOTRY=true

Bug: 786572
Cq-Include-Trybots: master.tryserver.chromium.android:android_optional_gpu_tests_rel;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel
Change-Id: Ie0c6e858801a92883cbb2356a93428d05ce0097b
Reviewed-on: https://chromium-review.googlesource.com/929543
Commit-Queue: Kenneth Russell <kbr@chromium.org>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#538203}
2 files changed