SH-689 Fix build issue due to assert i llviewerassetstats
SH-689 Fix build issue due to assert i llviewerassetstats

Changed assert to 50 since that's the new asset count.  Added OTHER metrics for mesh and dummy asset types.

gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm