Rename bazel overlay to queryview.

Bazel overlay is an experimental feature. This renames the feature to 'queryview' to better describe its purpose, and also move away from the already overloaded 'overlay' term in Android.

Test: m queryview && bazel query --package_path=out/soong/queryview //...
Change-Id: I8b5068c7db46cb61a03a8e87af9c7c9077ebeff9
diff --git a/cmd/soong_build/main.go b/cmd/soong_build/main.go
index 7ae1c37..9d7dddd 100644
--- a/cmd/soong_build/main.go
+++ b/cmd/soong_build/main.go
@@ -26,13 +26,13 @@
 )
 
 var (
-	docFile         string
-	bazelOverlayDir string
+	docFile           string
+	bazelQueryViewDir string
 )
 
 func init() {
 	flag.StringVar(&docFile, "soong_docs", "", "build documentation file to output")
-	flag.StringVar(&bazelOverlayDir, "bazel_overlay_dir", "", "path to the bazel overlay directory")
+	flag.StringVar(&bazelQueryViewDir, "bazel_queryview_dir", "", "path to the bazel queryview directory")
 }
 
 func newNameResolver(config android.Config) *android.NameResolver {
@@ -113,8 +113,8 @@
 		ctx = newContext(srcDir, configuration)
 		bootstrap.Main(ctx.Context, configuration, extraNinjaDeps...)
 	}
-	if bazelOverlayDir != "" {
-		if err := createBazelOverlay(ctx, bazelOverlayDir); err != nil {
+	if bazelQueryViewDir != "" {
+		if err := createBazelQueryView(ctx, bazelQueryViewDir); err != nil {
 			fmt.Fprintf(os.Stderr, "%s", err)
 			os.Exit(1)
 		}
@@ -140,7 +140,7 @@
 }
 
 func shouldPrepareBuildActions() bool {
-	// If we're writing soong_docs or bazel_overlay, don't write build.ninja or
+	// If we're writing soong_docs or queryview, don't write build.ninja or
 	// collect metrics.
-	return docFile == "" && bazelOverlayDir == ""
+	return docFile == "" && bazelQueryViewDir == ""
 }