Migrate StorageManager to androidx. This fixes a casting issue that caused a crash on application start. Change-Id: I914698b13ad467a5e0a90cb4150be6222491a01b Merged-In: I914698b13ad467a5e0a90cb4150be6222491a01b Fixes: 111102047 Test: Manual, ran and it worked. (cherry picked from commit 31c2b58ece087a8de748eeb34858095a8945c6ff)