[Wifi] Update language to comply with Android’s inclusive language guidance

This commit only cleans up in android.net.wifi.aware.
(Cherry pick from internal branch)

See https://source.android.com/setup/contribute/respectful-code for reference

Bug: 161896447
Test: atest android.net.wifi
Merged-In: Ia9a9b84c4587885a1a20327cbdec0b26eba0ba40
Change-Id: I958baea4804f818a02b8cf6f9a596e2ad18318b0