[automerger skipped] Merge "Add an isCheckpointing() binder call for adb remount." into rvc-dev am: f87198e025 am: 9f054be265 -s ours am: c01c899abf -s ours

am skip reason: Change-Id I33a691da3b99343acfc1e8ddf68a14504c3bfbe1 with SHA-1 7e07c53aab is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/vold/+/11917729

Change-Id: Ia9fd42e0dbee3393fdee42d8db27b96fb5b4ee12