Merge "Rename SignalThresholdInfo.Builder#setThresholdUnlimited" am: 31083c40b9 am: 54a0c76e6a am: 35fbb8cb85

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

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Idda620436f7f8799c842f76470e018eb2c25c4d2