Merge "apex: drop metadata gathering for multitree." am: 9514d5bb am: 5dfe27df am: b565f6a0

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2593065



Change-Id: I683e0bda4f1e972c397602051049ac68d5c2d121
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>