Merge "Return TotalMemory size when ddr size is not present" into udc-dev am:...

Merge "Return TotalMemory size when ddr size is not present" into udc-dev am: 6a9af3fd am: bff4a4d4 am: e0207bb0

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23120746



Change-Id: Ie32cdbe577e16ee70210272359b91dcfa2bc999a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>