Make tifast print the values of 'jvalue' arguments

By printing out the contents of 'jvalue' arguments one can get a
better idea of the data an agent is seeing and what the program is
doing.

Test: java -agentpath:$ANDROID_HOST_OUT/lib64/libtifastd.so=log,MethodExit ...
Change-Id: I7266feeff1adaf5598458e12d07b1913e2a09687
1 file changed