For #25808: Re-enable UI media notification tests.

app/src/androidTest/java/org/mozilla/fenix/ui/MediaNotificationTest.kt

@@ -11,7 +11,6 @@ import mozilla.components.concept.engine.mediasession.MediaSession
 import okhttp3.mockwebserver.MockWebServer
 import org.junit.After
 import org.junit.Before
-import org.junit.Ignore
 import org.junit.Rule
 import org.junit.Test
 import org.mozilla.fenix.ext.components
@@ -62,7 +61,6 @@ class MediaNotificationTest {
         mockWebServer.shutdown()
     }
 
-    @Ignore("Failing after SDK 33 migration. See: https://github.com/mozilla-mobile/fenix/pull/25876")
     @Test
     fun videoPlaybackSystemNotificationTest() {
         val videoTestPage = TestAssetHelper.getVideoPageAsset(mockWebServer)
@@ -96,7 +94,6 @@ class MediaNotificationTest {
         mDevice.pressBack()
     }
 
-    @Ignore("Failing after SDK 33 migration. See: https://github.com/mozilla-mobile/fenix/pull/25876")
     @Test
     fun mediaSystemNotificationInPrivateModeTest() {
         val audioTestPage = TestAssetHelper.getAudioPageAsset(mockWebServer)

app/src/androidTest/java/org/mozilla/fenix/ui/SmokeTest.kt

@@ -780,7 +780,6 @@ class SmokeTest {
         }
     }
 
-    @Ignore("Failing after SDK 33 migration. See: https://github.com/mozilla-mobile/fenix/pull/25876")
     @Test
     fun audioPlaybackSystemNotificationTest() {
         val audioTestPage = TestAssetHelper.getAudioPageAsset(mockWebServer)