Use oli/x.js as input files when compiling examples

config/examples-all.json

@@ -1,7 +1,14 @@
 {
   "exports": [],
-  "src": ["src/**/*.js", "build/examples/all.js"],
+  "src": [
+    "src/**/*.js",
+    "build/examples/all.js"
+  ],
   "compile": {
+    "js": [
+      "externs/olx.js",
+      "externs/oli.js"
+    ],
     "externs": [
       "externs/bingmaps.js",
       "externs/bootstrap.js",
@@ -9,8 +16,6 @@
       "externs/example.js",
       "externs/geojson.js",
       "externs/jquery-1.9.js",
-      "externs/oli.js",
-      "externs/olx.js",
       "externs/proj4js.js",
       "externs/tilejson.js",
       "externs/topojson.js",