docs: Add text to JavaDocs regarding browser file access vulnerability
docs: Add text to JavaDocs regarding browser file access vulnerability

b/17420682

Change-Id: Ic03b51778280570be65ae933fd906b140acdf023

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