Rename androidmk/test.go so go test can find it

Change-Id: If18c749fe9bc883552952284a469ea8e8f3e8f6d
diff --git a/Android.bp b/Android.bp
index 354f50e..488146c 100644
--- a/Android.bp
+++ b/Android.bp
@@ -207,7 +207,7 @@
         "androidmk/cmd/androidmk/values.go",
     ],
     testSrcs: [
-        "androidmk/cmd/androidmk/test.go",
+        "androidmk/cmd/androidmk/androidmk_test.go",
     ],
     deps: [
         "androidmk-parser",
diff --git a/androidmk/cmd/androidmk/test.go b/androidmk/cmd/androidmk/androidmk_test.go
similarity index 100%
rename from androidmk/cmd/androidmk/test.go
rename to androidmk/cmd/androidmk/androidmk_test.go