Merge "Update javadoc of TelephonyManager#isModemEnabledForSlot" am: be6e81a4ea am: 621565a21a am: bc966d1ac1 am: 67bd6aa180 am: 7274868735

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1878022

Change-Id: I701a92fc8f2f15bca9092173d71717467fd56ba9