Make LocalePicker Fragment.
The logic calling selectFirst() is removed as - There's no comment why it is needed. - Actually SetupWizard gets stack as that forces users to see WirelessSettings in SetupWizard. The other changes: - Move back LocalePickerFragment to LocalePicker. - Make <activity> for LocalePicker in AndroidManifest <activity-alias> - Add a short comment about how getComponent(), which should be a key for understanding how top-level settings work. - Modify LanguageSettings so that it corectly points LocalePicker as a fragment. Change-Id: I78d356e40af896ba1aab72fba12c90467371c7b0
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