Verify the contents in install-recovery.sh

Check the SHA1 of recovery.img and boot.img embedded in the
install-recovery.sh.

Bug: 35411009
Test: validation script detects mismatch for both full recovery and
recovery-from-boot.
Change-Id: I5f07a869d9fa17fad26a22ef9ca3ecb06b1b28e3
2 files changed