Merge "docs: Note that antialiasing is not supported on multiple Canvas draw...

Merge "docs: Note that antialiasing is not supported on multiple Canvas draw ops" into tm-dev am: 3b5f7cb4

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20376185



Change-Id: I75ea313e18ed2e52bf51be13130bf0b5033546fe
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>