Merge "[multishade] Deletes unused multi-shade code." into udc-qpr-dev am: 3ea629ce

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24154757



Change-Id: I3499d71842398ca20720fdbd8606da1aa2619ed8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>