Remove high-overhead low-signal trace section
Remove high-overhead low-signal trace section

Bug: 28519669

This trace tag makes shadows look way more expensive
than they actually are, particularly troublesome
when tracing things with large number of shadows.

Change-Id: Ib6558b1388edd4b006ec15127470cb9ab563f954

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