Bug 1555425 - Enable Web Authentication in all Fennec Android channels r=cpeterson,KevinJacobs

Disable for Geckoview, but enable for Fennec.

Differential Revision: https://phabricator.services.mozilla.com/D33050

--HG--
extra : moz-landing-system : lando

mobile/android/app/geckoview-prefs.js

@@ -56,3 +56,6 @@ pref("browser.safebrowsing.features.fingerprinting.update", true);
 
 // Treat mouse as touch only on TV-ish devices
 pref("ui.android.mouse_as_touch", 2);
+
+// Fenix is currently not whitelisted for Web Authentication
+pref("security.webauth.webauthn_enable_android_fido2", false);

mobile/android/app/mobile.js

@@ -861,4 +861,7 @@ pref("extensions.systemAddon.update.url", "https://aus5.mozilla.org/update/3/Sys
 pref("browser.tabs.remote.separateFileUriProcess", false);
 pref("browser.tabs.remote.allowLinkedWebInFileUriProcess", true);
 pref("browser.tabs.remote.separatePrivilegedContentProcess", false);
+
+// Allow Web Authentication
+pref("security.webauth.webauthn_enable_android_fido2", true);
 pref("browser.tabs.remote.separatePrivilegedMozillaWebContentProcess", false);

security/manager/ssl/security-prefs.js

@@ -120,15 +120,10 @@ pref("security.pki.certificate_transparency.mode", 0);
 
 // Only one of ["enable_softtoken", "enable_usbtoken",
 // "webauthn_enable_android_fido2"] should be true at a time, as the
-// softtoken will override the other two.
+// softtoken will override the other two. Note android's pref is set in
+// mobile.js / geckoview-prefs.js
 pref("security.webauth.webauthn_enable_softtoken", false);
 
-#ifdef FENNEC_NIGHTLY
-pref("security.webauth.webauthn_enable_android_fido2", true);
-#else
-pref("security.webauth.webauthn_enable_android_fido2", false);
-#endif
-
 #ifdef MOZ_WIDGET_ANDROID
 // the Rust usbtoken support does not function on Android
 pref("security.webauth.webauthn_enable_usbtoken", false);