Refine Wi-Fi DPP fragments.
1. WifiDppQrCodeBaseFragment only declairs common UI components between fragments.
2. Initiate UI components in onViewCreated of each View.
3. Remove the only one usage of @NonNull since it should be used consistently
throughout the class if we want to use it.
4. Use android.R.id for icon/title/summary
Bug: 120645817
Test: atest WifiDppConfiguratorActivityTest
atest WifiDppEnrolleeActivityTest
atest WifiDppQrCodeGeneratorFragmentTest
atest WifiDppQrCodeScannerFragmentTest
Change-Id: I54f99a3072533cec46f0e47753ee0331fecf2ada
7 files changed