Revert "Roll src/third_party/angle 362168eb695d..11e6944ec5a8 (7 commits)" and subsequent rolls

This reverts commit 8ad5f775 (and subsequent angle rolls).

Reason for revert: Assuming that this has been causing angle_unittests failures. Example failures:
https://ci.chromium.org/p/chromium/builders/ci/Linux%20CFI/15815
https://ci.chromium.org/p/chromium/builders/ci/Linux%20CFI/15817

Original change's description:
> Roll src/third_party/angle 362168eb695d..11e6944ec5a8 (7 commits)
>
> https://chromium.googlesource.com/angle/angle.git/+log/362168eb695d..11e6944ec5a8
>
> git log 362168eb695d..11e6944ec5a8 --date=short --first-parent --format='%ad %ae %s'
> 2019-12-05 jonahr@google.com Linux AMD crash when src blit region outside framebuffer
> 2019-12-05 ianelliott@google.com Vulkan: Implement multisample textures
> 2019-12-05 syoussefi@chromium.org Fix image/sampler uniform range in presence of atomic counters
> 2019-12-05 syoussefi@chromium.org Fix compute shared memory size validation
> 2019-12-05 syoussefi@chromium.org Vulkan: EXT_gpu_shader5 support: precise
> 2019-12-05 jmadill@chromium.org Re-land "Add new test runner harness."
> 2019-12-05 syoussefi@chromium.org Fix tests checking for major version > 3
>
> Created with:
>   gclient setdep -r src/third_party/angle@11e6944ec5a8
>
> If this roll has caused a breakage, revert this CL and stop the roller
> using the controls here:
> https://autoroll.skia.org/r/angle-chromium-autoroll
> Please CC geofflang@google.com on the revert to ensure that a human
> is aware of the problem.
>
> To report a problem with the AutoRoller itself, please file a bug:
> https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug
>
> Documentation for the AutoRoller is here:
> https://skia.googlesource.com/buildbot/+/master/autoroll/README.md
>
> Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win-asan;luci.chromium.try:win_optional_gpu_tests_rel
> Bug: chromium:1014370
> Tbr: geofflang@google.com
> Change-Id: I0290ab71c427661da38080ec0a640f2d2092a8c2
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1954531
> Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
> Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
> Cr-Commit-Position: refs/heads/master@{#722332}

TBR=geofflang@chromium.org,chromium-autoroll@skia-public.iam.gserviceaccount.com

Change-Id: Ic7a591b2751e716e46e28e9fb6cbbab7ec694619
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: chromium:1014370,chromium:1030192
Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win-asan;luci.chromium.try:win_optional_gpu_tests_rel
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1954474
Commit-Queue: Pavol Marko <pmarko@chromium.org>
Reviewed-by: Pavol Marko <pmarko@chromium.org>
Cr-Commit-Position: refs/heads/master@{#722443}

DEPS

@@ -184,7 +184,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling ANGLE
   # and whatever else without interference from each other.
-  'angle_revision': 'b2c2d667d540f3cd3e2591ec57b0974f4c63a8f7',
+  'angle_revision': '11e6944ec5a84a780c495bbf6d3edf04404e0539',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.