Moving common fuzzing code to fuzz package

Test: make haiku and make haiku-rust
Change-Id: Ife80cc10672f51bd6afbae7061cc9373a2a15e7d
diff --git a/cc/Android.bp b/cc/Android.bp
index 164d32b..bff2761 100644
--- a/cc/Android.bp
+++ b/cc/Android.bp
@@ -13,6 +13,7 @@
         "soong-bazel",
         "soong-cc-config",
         "soong-etc",
+        "soong-fuzz",
         "soong-genrule",
         "soong-snapshot",
         "soong-tradefed",
@@ -59,7 +60,6 @@
         "binary.go",
         "binary_sdk_member.go",
         "fuzz.go",
-        "fuzz_common.go",
         "library.go",
         "library_headers.go",
         "library_sdk_member.go",