Merge "Rename SignalThresholdInfo.Builder#setThresholdUnlimited" am: 31083c40b9 am: 54a0c76e6a

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1566912

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ic9779453b960ce81c46555d2fd440d04eba3147c