check entire recovery partition on startup
check entire recovery partition on startup

Checksum the entire recovery partition at boot time to see if we need
to rewrite it, rather than just the first 2kb.

Bug: 5668350
Change-Id: I777754f92e8da630ae3c09bb0d4c41884ff62f39

knone1/platform_manifest,xorware/android_build,hagar006/platform_manifest,see4ri/lolili,xorware/android_build,pranav01/platform_manifest,ND-3500/platform_manifest,xorware/android_build,xorware/android_build,xorware/android_build,fallouttester/platform_manifest,Hybrid-Power/startsync,RR-msm7x30/platform_manifest