Set mShiftIsPressed properly when the focus is a plugin.
Set mShiftIsPressed properly when the focus is a plugin.

Fix for http://b/issue?id=2484986

Change-Id: I3140c3c3a0bd44af85939aceb0bbd07c0861cde4

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