Updating the sample to not use the old GooglePlayServicesClient.

In addition, it should use the 7.3.0 version of the gms location lib.
Bug: 20880262

Change-Id: I1720e7c25b5bf53e09c19cd38ecddb2753464850
(cherry picked from commit 816fecf4fc9c913ad10866f6cc2b86455d9c1de6)
2 files changed