Merge "Use std::unique_ptr in FileDescriptorTable" into main am: 14b1b59266 am: 6c79baa78b am: ed05078f81

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2654714

Change-Id: I70ff11926d4e0eee79e97c46619c50f95cf5089c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>