https://swiftshader.googlesource.com/SwiftShader.git/+log/84b9bb6621c7..d94a77b304f4

2020-12-10 natsu@google.com Set prefersDedicatedAllocation for AHB
2020-12-09 natsu@google.com Treat AHB YUV as external format
2020-12-09 natsu@google.com Handle AHARDWAREBUFFER_FORMAT_YV12
2020-12-09 srisser@google.com Update SPIR-V version to VK_1_1_SPV_1_4
2020-12-09 natsu@google.com Handle VkExternalFormatANDROID in VkCreateImage
2020-12-09 srisser@google.com Add decorate operations new to SPIR-V 1.4
2020-12-09 natsu@google.com Handle more image properties from external device memory
2020-12-09 natsu@google.com Update AHB default YUV dataspace to YCBCR_709
2020-12-09 sugoi@google.com Make Constants a singleton instead of a global

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/swiftshader-angle-autoroll
Please CC syoussefi@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

Bug: None
Tbr: syoussefi@google.com
Change-Id: I31d0f7881c632d0402133b7bf26b7510066e49df
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2583417Reviewed-by: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>