Merge "StorageManager: remove old isFileEncrypted* methods" into main am: 03bf86430d am: c0dae1211c

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2768549

Change-Id: Iccdb2034eea280037f8d94c062be8b46782a0211
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>