Roll Skia from a143a37747b0 to 1ea54a127fbe (5 revisions)

https://skia.googlesource.com/skia.git/+log/a143a37747b0..1ea54a127fbe

2021-10-29 johnstiles@google.com Disable tests on iPhone 6 that use too much memory.
2021-10-29 brianosman@google.com Reland "Move alpha modulation into paint conversion (Step 1)"
2021-10-29 robertphillips@google.com [graphite] Partially connect DrawPass, UniformCache and ProgramCache
2021-10-29 brianosman@google.com When setting paint color/alpha, pin alpha to [0,1]
2021-10-29 johnstiles@google.com Report int-literal overflow via cast-from-float.

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://skia-autoroll.corp.goog/r/android-master-autoroll
Please CC nifong@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/main/autoroll/README.md

Test: Presubmit checks will test this change.
Exempt-From-Owner-Approval: The autoroll bot does not require owner approval.
Bug: b/186543004
Bug: b/186777432
Change-Id: I65dce1584c1679d5c88aa333db9993b208eafed9