Quiet excessive warnings.

core-util/src/main/java/org/signal/core/util/ActivityExtensions.kt

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2025 Signal Messenger, LLC
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+package org.signal.core.util
+
+import android.app.Activity
+import android.os.Build
+import androidx.annotation.AnimRes
+
+val Activity.OVERRIDE_TRANSITION_OPEN_COMPAT: Int get() = 0
+val Activity.OVERRIDE_TRANSITION_CLOSE_COMPAT: Int get() = 1
+
+fun Activity.overrideActivityTransitionCompat(overrideType: Int, @AnimRes enterAnim: Int, @AnimRes exitAnim: Int) {
+  if (Build.VERSION.SDK_INT >= 34) {
+    overrideActivityTransition(overrideType, enterAnim, exitAnim)
+  } else {
+    @Suppress("DEPRECATION")
+    overridePendingTransition(enterAnim, exitAnim)
+  }
+}