[automerger skipped] [RESTRICT AUTOMERGE] Ignore errors preparing user storage for existing users am: 493aa93b84 am: 7271432de9 -s ours am: d1951beae5 -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17416381

Change-Id: Id6f26bc7d92adf1e66fcb15b5f93e33a8e93f91d
Ignore-AOSP-First: this is an automerge
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>