Roll Skia from e1589a1e19da to 30378382aa3e (10 revisions)

https://skia.googlesource.com/skia.git/+log/e1589a1e19da..30378382aa3e

2020-10-08 michaelludwig@google.com Clip perspective bounds by device clip in SkPDFDevice
2020-10-08 jvanverth@google.com Revert "Merge GrContext::init into GrDirectContext ..."
2020-10-08 jvanverth@google.com Add push constant support to GrCaps.
2020-10-08 adlai@google.com Merge GrContext::init into GrDirectContext ...
2020-10-08 bsalomon@google.com Expose ManagedBackendTexture from BackendTextureImageFactory.
2020-10-08 kjlubick@google.com [canvaskit] Attempt to turn off rtti
2020-10-08 johnstiles@google.com Use SkSTArray to track CFG exits instead of std<set>.
2020-10-08 ethannicholas@google.com add missing <atomic> include
2020-10-08 egdaniel@google.com Rename GrStencilAttachment class to generic GrAttachment
2020-10-08 jlavrova@google.com Changing the way we select a grapheme

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/skia-autoroll
Please CC jvanverth@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-blink-rel;luci.chromium.try:linux-chromeos-compile-dbg;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel
Cq-Do-Not-Cancel-Tryjobs: true
Bug: None
Tbr: jvanverth@google.com
Change-Id: I5f24556b8ed54b99fc86653f2c0a07ed108a4cb1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2462366Reviewed-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@{#815372}

DEPS

@@ -195,7 +195,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.
-  'skia_revision': 'e1589a1e19da3a5784ea1054367d93db95060183',
+  'skia_revision': '30378382aa3e4df91f4612cbba39833862ebec77',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.