Merge "Add hidden API to get vendor genfs version" into main am: e459c45992

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3382186

Change-Id: Iee07da73f996c72fdebbb35238bb86c4b1b2ba0e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>