Merge "Ignore invalid time stamp in SMS PDUs" am: a19cd20f01 am: 43887910a2 am: 2d017866f1

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1354342

Change-Id: I46aedac870daecb3c7dedb1bf8eaa1ae051cb84b