Don't inflate the zoom button controller until we are going to show it. This should shave 5% of Browser start up time on Sapphire.
Don't inflate the zoom button controller until we
are going to show it. This should shave 5% of Browser
start up time on Sapphire.

Fix http://b/issue?id=2604295

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