Add the code to detect how long the WebViewCore thread is idle in the real time.
Add the code to detect how long the WebViewCore thread is idle in the real time.

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