Allow CompOS APEX to access Keystore AIDL.

Makes the AIDL (and its dependencies) available to allow client code
to build against it.

Fixes: 190995136
Test: Client code (in progress) builds.
Change-Id: I06e7486463bca93ed25377c0dca30484a6bbf656

security/keymint/aidl/Android.bp

@@ -30,6 +30,10 @@ aidl_interface {
         },
         rust: {
             enabled: true,
+            apex_available: [
+                "//apex_available:platform",
+                "com.android.compos",
+            ],
         },
     },
 }

security/secureclock/aidl/Android.bp

@@ -26,6 +26,10 @@ aidl_interface {
         },
         rust: {
             enabled: true,
+            apex_available: [
+                "//apex_available:platform",
+                "com.android.compos",
+            ],
         },
     },
 }