Add user id checks to processUserData

To assist with multi-user testing, also process the user's
handle in processUserData. In cases where there are multiple users,
this will help to verify that the userdata belongs to the correct user.

Test: atest RollbackTesti
Test: atest MultiUserRollbackTest
Bug: 140401995
Change-Id: Ie194eab48b24bed73bb582d9d1e77af715452c03
1 file changed