Merge "graphics: improve preloading for IMapper default impl" am: 960c33c5...

Merge "graphics: improve preloading for IMapper default impl" am: 960c33c5 am: 697fddee am: 227a9f41 am: 34eece60

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2459229



Change-Id: Id1570e295989704bab763a61afd58155d1847ed3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>