DevTools - add support for WifiScanner and Passpoint

cherry-pick from kwd:

dfa4c2 Test for WifiScanner
https://partner-android-review.googlesource.com/#/c/57807/

f07247 Test App for Passpoint
https://partner-android-review.googlesource.com/#/c/59228/

ab64fe Test App for Passpoint - more HS20 functionalities
https://partner-android-review.googlesource.com/#/c/170432/

bec3ee DevTools - Passpoint API rename
https://partner-android-review.googlesource.com/#/c/170984/

49e1f1 DevTools - add browser launch
https://partner-android-review.googlesource.com/#/c/172190/

Change-Id: I0d6c6ab9e3289271922d5f10b7ed996437bd6f00
3 files changed