Call markBootAttempt when serice manager available

This causes adds a call the fucntion to decrement the
checkpoint's retry count as soon as service manager is
available.

Test: vdc setCheckpoint 2 then reboot 3 times checking state
Bug: 112901762
Change-Id: Ie0a78b1eb05b340718e76175509d1ebefae68017
1 file changed