Fix OutputPath.InSameDir example

The OutputPath.InSameDir example was called FileInSameDir.

Test: go vet ./android
Change-Id: I056c49e6b39f6124b0fa32ebc3498a2fe42c8ddc

android/paths_test.go

@@ -1270,7 +1270,7 @@ func ExampleOutputPath_ReplaceExtension() {
 	// boot.art boot.oat
 }
 
-func ExampleOutputPath_FileInSameDir() {
+func ExampleOutputPath_InSameDir() {
 	ctx := &configErrorWrapper{
 		config: TestConfig("out", nil, "", nil),
 	}