SH-3275 WIP Run viewer metrics for object update messages

indra/llcommon/llstat.cpp

indra/llcommon/llstat.h

indra/llui/llstatbar.cpp

indra/llui/llstatbar.h

indra/newview/CMakeLists.txt

indra/newview/llfloaterlagmeter.cpp

indra/newview/llfloaterlagmeter.h

indra/newview/llstatusbar.cpp

indra/newview/llviewerassetstats.cpp

indra/newview/llviewerfloaterreg.cpp

indra/newview/llviewerstats.cpp

indra/newview/llviewerstats.h

indra/newview/llviewertexturelist.cpp

indra/newview/llvoavatarself.cpp

indra/newview/llworld.cpp

indra/newview/skins/default/xui/da/floater_lagmeter.xml

indra/newview/skins/default/xui/de/floater_lagmeter.xml

indra/newview/skins/default/xui/en/floater_lagmeter.xml

indra/newview/skins/default/xui/es/floater_lagmeter.xml

indra/newview/skins/default/xui/fr/floater_lagmeter.xml