[rust] Disable clippy for rust_bindgen modules.

bindgen generated code may not pass clippy checks, so preemptively
disable clippy for these.

Bug: 162828070
Test: clippy is not called when compiling rust_bindgen library variants.
Change-Id: I9632c889417bdfd1adf96d9cfbccbe6340824205

rust/bindgen.go

@@ -177,6 +177,7 @@ func NewRustBindgen(hod android.HostOrDeviceSupported) (*Module, *bindgenDecorat
 
 	module.sourceProvider = bindgen
 	module.compiler = library
+	module.setClippy(false)
 
 	return module, bindgen
 }