Fix the missing spot shadow when DEBUG_SHADOW is turned on
Fix the missing spot shadow when DEBUG_SHADOW is turned on

In the current design, this error should be tolerated since the delta should
be small enough. So we should not return here.

Change-Id: I251db2882b331d37ae7f0896e9aa95d69a5650da

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