Merge "bootanimation: do not create texture for parts with count=1" into main am: 13399aef

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2646620



Change-Id: I38b8285d3c356a165caf6e187be7935045778c5c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>