re-add swcodec payload to mixed staging allowlist

Bug: 279756270
Test: m
Test: forrest
Change-Id: I3305c1bd9388b326fdecb5d333c07cf653d310d8
diff --git a/android/allowlists/allowlists.go b/android/allowlists/allowlists.go
index 9700f8b..e22eec5 100644
--- a/android/allowlists/allowlists.go
+++ b/android/allowlists/allowlists.go
@@ -1565,10 +1565,10 @@
 	// also be built - do not add them to this list.
 	StagingMixedBuildsEnabledList = []string{
 		// M13: media.swcodec launch
-		// TODO(b/282042844): reenable
-		// "com.android.media.swcodec",
-		// "test_com.android.media.swcodec",
-		// "libstagefright_foundation",
+		"com.android.media.swcodec",
+		"test_com.android.media.swcodec",
+		"libstagefright_foundation",
+		"libcodec2_hidl@1.0",
 	}
 
 	// These should be the libs that are included by the apexes in the ProdMixedBuildsEnabledList