am 4e041150: Merge "Avoid NPE and add a warning log if a printing app misbehaves." into klp-dev
am 4e041150: Merge "Avoid NPE and add a warning log if a printing app misbehaves." into klp-dev

* commit '4e04115052a66d5a7836c5e7a9bfc1a5d6f3784b':
  Avoid NPE and add a warning log if a printing app misbehaves.

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base