ESLint rules: array-callback-return, no-invalid-this, func-style (#3151)

* satisfied array-callback-return rule
* satisfying no-invalid-this rule
* fixed invalid-this issues
* changed isNotEqual to arrow function
* added rule func-style
* added return false to satisfy array-callback-return rule

Co-authored-by: Joel McKinnon <jmckinnon@apple.com>
Co-authored-by: Joshi <simplyrender@gmail.com>
Co-authored-by: Andrew Henry <akhenry@gmail.com>

platform/telemetry/src/TelemetryCapability.js

@@ -33,14 +33,11 @@ define(
         _
     ) {
 
-        var ZERO = function () {
-                return 0;
-            },
-            EMPTY_SERIES = {
-                getPointCount: ZERO,
-                getDomainValue: ZERO,
-                getRangeValue: ZERO
-            };
+        const EMPTY_SERIES = {
+            getPointCount: () => 0,
+            getDomainValue: () => 0,
+            getRangeValue: () => 0
+        };
 
         /**
          * Provides metadata about telemetry associated with a