Show module's type and path when reporting dependency problems

Test: treehugger
Change-Id: I25c3eddbeeb10bd6b9bfa9e869f6fbc98d2a6ec4
diff --git a/bp2build/build_conversion_test.go b/bp2build/build_conversion_test.go
index d36d2a9..c5644ed 100644
--- a/bp2build/build_conversion_test.go
+++ b/bp2build/build_conversion_test.go
@@ -1032,7 +1032,7 @@
     ],
     bazel_module: { bp2build_available: true },
 }`,
-			ExpectedErr: fmt.Errorf(`"foobar" depends on unconverted modules: foo`),
+			ExpectedErr: fmt.Errorf(`filegroup .:foobar depends on unconverted modules: foo`),
 			Filesystem: map[string]string{
 				"other/Android.bp": `filegroup {
     name: "foo",