Revert "Show size/alloc/free per Dalvik heap space in dumpsys"

This reverts commit 478976606f43c8095c829a5b78d79ff50b4c43ef.

Conflicts:
	vm/alloc/HeapSource.cpp

Change-Id: Ic07cd2720d3e7a999a7621d2e93cbc80e3b9d225