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

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

Change-Id: Ic9b2bb9ea4ae9d18df6395bf81fd80849187b416