SH-3275 WIP Run viewer metrics for object update messages

indra/llcommon/llfasttimer_class.cpp

indra/llcommon/llfasttimer_class.h

indra/llcommon/llstat.cpp

indra/llcommon/llstat.h

indra/llmessage/llcircuit.cpp

indra/llmessage/llcircuit.h

indra/llmessage/lliohttpserver.cpp

indra/llmessage/llmessagetemplate.h

indra/llmessage/llpumpio.cpp

indra/newview/app_settings/logcontrol.xml

indra/newview/llfasttimerview.cpp

indra/newview/llfasttimerview.h

indra/newview/lltexturefetch.cpp

indra/newview/llviewerobjectlist.cpp

indra/newview/llviewerregion.cpp

indra/newview/llviewerstats.cpp

indra/newview/llviewerstats.h

indra/newview/llviewerstatsrecorder.cpp

indra/newview/llviewerstatsrecorder.h