Merge "Create /metadata/staged-install dir to store staged install failure reasons" into rvc-dev am: 000226f1d5 am: 07bc69806d

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/core/+/11408963

Change-Id: I8ae66d64309b4ee685f989b3553eb8b4841f916f