Fast loadInverse() implementation for the common case
Fast loadInverse() implementation for the common case

Most matrices used by the UI toolkit are translation matrices, whose
inverses can be quickly computed by using the negated translation
vector.

Change-Id: I54a28a634a586085779bfc26f3a4160cd5ab2b22

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