am c33670e: Merge change 488 into donut
am c33670e: Merge change 488 into donut

Merge commit 'c33670e1b6961da1d7121b16ef23d10b9f6289d6'

* commit 'c33670e1b6961da1d7121b16ef23d10b9f6289d6':
  add -n option to turn off prereq check when build OTA packages

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