tree aec3e4198e28debb1cb4965de0a30b4e2476512a
parent f7ccda05642b55700d67a288462bada488fc7f5e
author Ahmed ElArabawy <arabawy@google.com> 1589089570 -0700
committer Ahmed ElArabawy <arabawy@google.com> 1589301205 -0700

Wifi: Add constant and utility method for bands

This commit adds a constant WIFI_BAND_ALL to refer to bit mask
for all bands.
It also adds a method to check on if previous scan covers all
supported bands.

Bug: 156053158
Test: atest android.net.wifi
Change-Id: I426dd3940b7efd67eaf6e12f862a1e3f0ebc177a