Clean up RS math headers.
Clean up RS math headers.

Fix types for ilogb and remquo.

Change-Id: I54f8634b1fe8b6cfb136d3bdf6aab5a5961e6827

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