AIDL: disable Rust explicitly

Now that it's enabled by default, because this
doesn't compile in Rust.

Bug: 321267339
Test: m
Change-Id: I31ed8434b4d386c8c65460bfd597100e5f2dcfa8
diff --git a/services/camera/virtualcamera/aidl/Android.bp b/services/camera/virtualcamera/aidl/Android.bp
index a9c2195..0fa58c6 100644
--- a/services/camera/virtualcamera/aidl/Android.bp
+++ b/services/camera/virtualcamera/aidl/Android.bp
@@ -23,6 +23,9 @@
         cpp: {
             enabled: false,
         },
+        rust: {
+            enabled: false,
+        },
         ndk: {
             enabled: true,
             additional_shared_libraries: [