Expose hook for crash backup
Expose hook for crash backup

 Allows browser to know when to update the crash state in response
 to a textfield's contents changing

Change-Id: Idda7a2931f4c9ae01418b91bbabb1e237f118664

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