Merge "Use std::filesystem when libc++ is new enough" into main am: 37d5948144 am: 608781cfd7 am: 81bff7712e am: 85adb929d3 am: 4e4de47109

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2758145

Change-Id: I18d4e39a5976ec50b3cbafbb6c6d4097c6412027
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>