commit 91c2f0cde2a009bd52aa1c3d1dee705cc02c932f
author Mathieu Chartier <mathieuc@google.com> Wed Nov 26 11:21:15 2014 -0800
committer Mathieu Chartier <mathieuc@google.com> Wed Nov 26 16:06:35 2014 -0800
tree 55c02c51308df051c76d89a09627ad16d8f45f72
parent bd6bb37c377e78aeafb4faf9acd70efbcbc62d30

Trim reference tables when we trim the heap

Before:
System server:
 virtual                     shared   shared  private  private
  size      RSS      PSS    clean    dirty    clean    dirty    # object
2200      300      229        0       80        0      220   77 /dev/ashmem/dalvik-indirect ref table (deleted)
Location:
1896      128      102        0       28        0      100   39 /dev/ashmem/dalvik-indirect ref table (deleted)

After:
 virtual                     shared   shared  private  private
  size      RSS      PSS    clean    dirty    clean    dirty    # object
System server:
2216       64       64        0        0        0       64   79 /dev/ashmem/dalvik-indirect ref table (deleted)
Location:
2120       48       48        0        0        0       48   67 /dev/ashmem/dalvik-indirect ref table (deleted)

No pause time regression measured in memalloc test.

(cherry picked from commit 84dc99d2fa67e5dff018685661cb2bff62132989)

Change-Id: I80d9bd3b98e888fa8f77d03df69f8479ed209986