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

This reverts commit 293ad9de2a258a47a63df91e27d9d41a1ad01b63.

Change-Id: I1ce78082a5b4bdea4d729f4a755f4e7bd3375039
dalvik: restrict T3 branch usage to ARMv7 targets

Change-Id: I832d32485e815b9f0d6158c3ad83ff942ccca3a4