Remove HIDL media C2 from 202404 compatibility matrix

Put it in its own FCM so it's easier to manage while HIDL C2 is being
depregated with flagging.

This interface will not be allowed in the 202404 vendor interface.

Test: launch_cvd
Bug: 218588089
Change-Id: I24e14db4edd161a574a4404c8b7271c91dc1243a
diff --git a/compatibility_matrices/Android.mk b/compatibility_matrices/Android.mk
index 72ead58..7abf35e 100644
--- a/compatibility_matrices/Android.mk
+++ b/compatibility_matrices/Android.mk
@@ -112,7 +112,8 @@
 # interfaces (in the `next` release configuration).
 ifeq ($(RELEASE_AIDL_USE_UNFROZEN),true)
 my_system_matrix_deps += \
-    framework_compatibility_matrix.202404.xml
+    framework_compatibility_matrix.202404.xml \
+    framework_compatibility_matrix.tmp.xml
 endif
 
 my_framework_matrix_deps += \