Merge "Update Hal 1.6 for updated SignalStength" am: 2682ae4273 am: 11a9329702 am: a10d9f0c69

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1517057

Change-Id: Ifca6ff7fcf4b4dc613f2807b8ba14327e39388a6