Read all blocks in system and vendor partition during boot time so that dm-verity could verify this partition is properly flashed. Bug: 27175949 Change-Id: I38ff7b18ee4f2733e639b89633d36f5ed551c989 Test: mma (cherry picked from commit03ca853a1c) (cherry picked from commit4bbe0c93c8) (Fix a typo when comparing the verity mode) (cherry picked from commitda654af606) (Skip update verification if care_map is not found)