Fix Neural Networks API notice.

Must quote the PackageName for embedded spaces.

Bug: 233936718

Test: m droid dist

Change-Id: Ida57800a9e733517f773faea92c90a357e0f58af
diff --git a/android/license_metadata.go b/android/license_metadata.go
index 6a5b0da..48c1383 100644
--- a/android/license_metadata.go
+++ b/android/license_metadata.go
@@ -105,7 +105,7 @@
 
 	if p := base.commonProperties.Effective_package_name; p != nil {
 		args = append(args,
-			"-p "+proptools.NinjaAndShellEscape(*p))
+			`-p "`+proptools.NinjaAndShellEscape(*p)+`"`)
 	}
 
 	args = append(args,