Revert - Remove SAR functionality from framework

This commit reverts ag/11628564 which removed SAR functionality from
the framework.
This commit adjusts the changes to adapt to the recent changes in framework.

Bug: 179904987
Test: atest com.android.server.wifi
Change-Id: Id435dba789c1dcbf880b88f1b47c8b5602724b82
20 files changed