Add property to disable sampling profiler.

This is to enable power measurements to be performed without
the profiler running.  The default is off (no profiler).

To enable the profiler:

adb shell setprop dalvik.vm.profiler 1

(cherry-picked from commit 4a7867b672631cd9f1725b275c4c87358fc31c39)

Change-Id: Iae7e56004e43a0930d3b167533aaa38b75a6fc98
1 file changed