Catch badly formed URLs in WebView accessibility injector.
Catch badly formed URLs in WebView accessibility injector.

Bug: 7206684
Change-Id: I13e8f29043314430ea3fcfa8ab59040136d06e57

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