TalkBack was picking up the text in the action bar, so if we hide it,
it will read the first body of text it encounters which would be "Scan
QR code. Pair device over Wi-Fi by scanning a QR code."
Bug: 152461605
Test: Manual. Enable TalkBack in Settings > Accessibility > TalkBack.
Navigate to Developer options > Wireless debugging > Pair by QR code.
When QR code scanner fragment opens, it should say "Scan QR code. Pair
device over Wi-Fi by scanning a QR code."
Change-Id: Ia91bf4ea215e6a377335f2b9dcf2acf10afd268e
(cherry picked from commit bfd73c0d78)
Exempt-From-Owner-Approval: cherry-pick
Bug: 152462657
Test: Manual. Enable TalkBack in Settings > Accessibility. Navigate to
Developer options > Wireless debugging > Pairing device with QR code.
Scan a valid QR code, which should change to "Pairing device..." and
screen reader should say "Pairing device".
Change-Id: If467b56f787bda765fce1e5d46f8ab3c6210dc76
(cherry picked from commit 07ad841e2d)
Exempt-From-Owner-Approval: cherry-pick
The preference should be hidden if isAdbWifiQrSupported() is false.
Bug: 150163684
Bug: 149843499
Test: make RunSettingsRoboTests ROBOTEST_FILTER=AdbQrCodePreferenceControllerTest
Change-Id: I3e833440fb1a6f369ac97cec8db04f2b99dd4640
(cherry picked from commit 6178918653)
Exempt-From-Owner-Approval: cherry-pick
