Fix migration bug

MediaProvider doesn't migrate rest of rows if MediaProvider is died or
restarted before migration is done. It makes row id of files is changed.

Bug: 171683776
Test: manual
Merged-In: Idfe3715d63ab3089052bc8c7d06428ce62268731
Change-Id: Idfe3715d63ab3089052bc8c7d06428ce62268731
1 file changed