Removing some more FloatMath references

See frameworks/base commit 33253a4baa6279f81a73425b49dfb6abe5f5416e
for details.

Bug: https://code.google.com/p/android/issues/detail?id=36199
Change-Id: I46d4ee4c4be7972e3bcc6782fb50f024b6fff1ee
Merge "Removing some more FloatMath references"