Merge "use java/lang/IllegalArgumentException for pid <= 0" am: 8a401c79dc am: e688b74ab4 am: 2d4d20bb8a

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2599572

Change-Id: Iac9ef1f3ec561d57ce55d1a1ee70eb471d89f118
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>