Merge "Allow ForEachVma*() APIs to use /proc/<pid>/maps" am: 19a52641c7

Original change: https://android-review.googlesource.com/c/platform/system/memory/libmeminfo/+/1608193

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Id99f87ebe3dbb70b285ec7d50414bdf96c9fe547