[automerger skipped] Merge "Add shell commands to start checkpoint/check it is...

[automerger skipped] Merge "Add shell commands to start checkpoint/check it is supported" am: c7aa11d2 am: c5e81dc5 am: f479aafe -s ours
am skip reason: Change-Id I08cd675b147cea88ad5b29ab4b0cd64ac445879d with SHA-1 6d749427 is in history

Change-Id: I7ded0d1fd9a76f6c32eb80e735c5e4a4c65f87e7