Introduce AEP and SSRE2.

app/src/main/java/org/thoughtcrime/securesms/util/RemoteConfig.kt

@@ -1143,5 +1143,13 @@ object RemoteConfig {
     hotSwappable = true
   )
 
+  /** Whether or not this device supports the new storage service recordIkm encryption. */
+  @JvmStatic
+  val storageServiceEncryptionV2: Boolean by remoteBoolean(
+    key = "android.ssre2",
+    defaultValue = false,
+    hotSwappable = true
+  )
+
   // endregion
 }