[fidl][sdk] Add library name.

Change-Id: Iab66415558856796bbe92a70d6e1b2d7f0c243a4
diff --git a/fidl/fidl_library.gni b/fidl/fidl_library.gni
index 17d9f8c..e17137c 100644
--- a/fidl/fidl_library.gni
+++ b/fidl/fidl_library.gni
@@ -202,6 +202,10 @@
 
       category = invoker.sdk_category
 
+      tags = [
+        "name:$library_name",
+      ]
+
       files = []
       foreach(source, invoker.sources) {
         # TODO(pylaligand): remove this temporary workaround.
diff --git a/sdk/manifest_schema.json b/sdk/manifest_schema.json
index 965dd49..c9817af 100644
--- a/sdk/manifest_schema.json
+++ b/sdk/manifest_schema.json
@@ -263,10 +263,15 @@
           "enum": [
             "fidl"
           ]
+        },
+        "name": {
+          "description": "A FIDL library's name",
+          "type": "string"
         }
       },
       "required": [
-        "domain"
+        "domain",
+        "name"
       ],
       "additionalProperties": false
     },