verifier: update to support certificates using SHA-256

Change-Id: Ifd5a29d459acf101311fa1c220f728c3d0ac2e4e
start healthd in recovery

Change-Id: I16e3e0ddb8ca062431deb4be83c5be5eb786d76f
recovery: copy logs to cache more aggressively

Copy logs to /cache immediately upon a package installation failure;
don't wait for recovery to finish.  (If the user reboots without
exiting recovery the "right" way, the logs never get copied at all.)

Change-Id: Iee342944e7ded63da5a4af33d11ebc876f6c0835
fix secure adb in recovery

Recovery's init.rc was missing a line (added to the main system's
init.rc in change Ic97fd464440ff4a29fc9da7ad15949ac5215ade3) is
required for secure adb to work.

Change-Id: Id79b94d2abb4cbe3cca7cabeb4bc5faf7205e56b