Merge "Add trackingBug to Process.myPpid." am: 081f27d84e am: bd6e1033fb am: 3c8ef9d1d4

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1478641

Change-Id: I1bf8dc971b9484453447aae44e508b6ccbfe526b