Roll SwiftShader from 7bcd79eccf28 to 84b9bb6621c7 (1 revision)

https://swiftshader.googlesource.com/SwiftShader.git/+log/7bcd79eccf28..84b9bb6621c7

2020-12-07 ynovikov@chromium.org Add status host to CQ config

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/swiftshader-chromium-autoroll
Please CC swiftshader-team+autoroll@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/+doc/master/autoroll/README.md

Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_chromium_msan_rel_ng;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel;luci.chromium.try:linux-swangle-try-x64;luci.chromium.try:win-swangle-try-x86
Bug: chromium:1069673
Tbr: swiftshader-team+autoroll@google.com
Change-Id: Id212c6d68531c93dc09c6c665ca6b27c8f0b5456
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2577534Reviewed-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@{#834510}

DEPS

@@ -215,7 +215,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.
-  'swiftshader_revision': '7bcd79eccf28007fe7a60ed50251d91ea4e65674',
+  'swiftshader_revision': '84b9bb6621c7eae8da034d31aceab780d8b1abdc',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling PDFium
   # and whatever else without interference from each other.