Change BIND_APPWIDGET to be signatureOrSystem.
Change BIND_APPWIDGET to be signatureOrSystem.

See http://b/issue?id=1839074 for more details.

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