[CP] Fix framebuffer blend UVs #136371
Description
Issue Link
b/303120488
Commit Hash
48eaee2
Target
beta
PR Link
Changelog Description
Ensure that framebuffer blends have correct coverage.
Impacted Users
Any iOS users using advanced blends
Impact Description
Advanced blends under transforms may render incorrectly.
Workaround
Switch to Skia renderer
Risk
low
Test Coverage
yes
Validation Steps
Change has unit tests that need to pass