[PATCH] dm-verity: add retry mechanism before mounting dm-0

Sometimes emmc initialization took too long and caused mount failure.
Add retry mechanism to ensure the partition nodes exist while mounting.

Bug: 76018387
Test: Make sure the retry mechanism is working from serial console log.
Change-Id: Ie3ed41e80dc132fae3c6784b1ad7d5a58bb06ae8
1 file changed