Merge "Add <partition>/gpu support to fsgen" into main am: 1760494b63

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/3527943

Change-Id: Ic3356fc5bda1e4bfff4605f0ac025c3b9bdb808d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>