Remove spurious checkThread() method
Remove spurious checkThread() method

This is now handled in WebView.java

Change-Id: I44343a72d993598267deaa6a9e1900b963bf3cb3

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