Fix breaking API changes of latest AC snapshot.

app/src/main/java/org/mozilla/fenix/FenixApplication.kt

@@ -35,7 +35,7 @@ class FenixApplication : Application() {
 
     private fun setupGlean(context: Context) {
         Glean.initialize(context)
-        Glean.setMetricsEnabled(BuildConfig.TELEMETRY)
+        Glean.setUploadEnabled(BuildConfig.TELEMETRY)
     }
 
     private fun loadExperiments() {

app/src/main/java/org/mozilla/fenix/browser/BrowserFragment.kt

@@ -166,7 +166,7 @@ class BrowserFragment : Fragment(), BackHandler {
     @SuppressWarnings("ReturnCount")
     override fun onBackPressed(): Boolean {
         if (findInPageIntegration.onBackPressed()) return true
-        if (sessionFeature.handleBackPressed()) return true
+        if (sessionFeature.onBackPressed()) return true
         if (customTabsToolbarFeature.onBackPressed()) return true
 
         // We'll want to improve this when we add multitasking