storaged: protect global proto_loaded am: 33206d393c am: 0ed516e795 am: 36d6092946 am: 5ef7c0126c am: f79804a805 am: 6800007ef5 am: bfaf98500e

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/core/+/13113445

Change-Id: Ie0c39cdfc0593938b41e130f2d655c385db3f7e4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>