Create ol.inherits alias, and export it

src/ol/ol.exports

@@ -0,0 +1 @@
+@exportSymbol ol.inherits

src/ol/ol.js

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+goog.provide('ol');
+
+
+/**
+ * ol.inherits is an alias to the goog.inherits function. It is exported
+ * for use in non-compiled application code. See ol.exports.
+ *
+ * FIXME: We use a new line to fake the linter. Without the new line the
+ * linter complains with:
+ *
+ * "Missing newline between constructor and goog.inherits"
+ */
+ol.inherits =
+    goog.inherits;