Add av-types-aidl to media apex

This AIDL module was created as part of refactoring of some of
frameworks/av headers.

Test: Compiles
Change-Id: I7c2a2b1906ec088389ba6a7ae595bc077d2d9228
diff --git a/apex/allowed_deps.txt b/apex/allowed_deps.txt
index a021a8d..c8b4596 100644
--- a/apex/allowed_deps.txt
+++ b/apex/allowed_deps.txt
@@ -124,6 +124,7 @@
 apache-commons-compress(minSdkVersion:current)
 art.module.public.api.stubs(minSdkVersion:(no version))
 audioflinger-aidl-unstable-cpp(minSdkVersion:29)
+av-types-aidl-unstable-cpp(minSdkVersion:29)
 bcm_object(minSdkVersion:29)
 bionic_libc_platform_headers(minSdkVersion:29)
 boringssl_self_test(minSdkVersion:29)