[QNS] Introduction of the qns metric (QNS metric v1.3) am: 3fb7100cb4 Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Telephony/+/21791466 Change-Id: If0c99671f405e3118563642dab9edb5f6c9c5f71 Signed-off-by: Automerger Merge Worker <[email protected]>