Merge "changes the API setChannelMaxPowers from hide API to system API" into main am: b5ddf3a056

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/3139058

Change-Id: Ie19f93bc37cca04129a32c75c13a3eb6ea850321
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>