Refactoring fuzz packaging code

Rust and cc fuzz packaging have common. This change is to put this
common methods and fields into fuzz_common.

Test: make haiku and make haiku-rust ran locally and verify corpus,
dict and config are packaged along with the executable.

Change-Id: I04bf535cd2597ed8b2bd3d8e6ea8c28f38bdc18b
diff --git a/rust/rust.go b/rust/rust.go
index 38f1742..52b4094 100644
--- a/rust/rust.go
+++ b/rust/rust.go
@@ -119,9 +119,7 @@
 }
 
 type Module struct {
-	android.ModuleBase
-	android.DefaultableModuleBase
-	android.ApexModuleBase
+	cc.FuzzModule
 
 	VendorProperties cc.VendorProperties