Feature/v5 abr refactoring (#4237)

* WiP: Refactor ABR and throughput logic

* Fix unit tests

* Fix missing units when a request is aborted

* Fix abandon request rule

* Fix unit tests

* Add PRODUCER_REFERENCE_TIME to list of nodes that should be represented as arrays

* Fix bug in requesting fragments

* WiP: FetchLoader refactoring

* Fix low latency calculation

* Remove resource timing API for low latency fetch. No way to eliminate the idle times

* Add network API support

* Rename some constants

* Fix unit tests

* Add check for cached response using resource timing API

* Fix unit tests

* Fix unit tests

* Add additional unit test for fetch throughput

* Use export default for constants

* Add endpoint to get raw throughput data

* Move logic to manage active rules to ABRRulesCollection.js to get rid of the handling in RulesContext.js. Also define a single settings object to activate and deactivate all rules

* Add byte size weighted arithmetic and harmonic mean calculation

* Update definitions in Settings.js and the Typescript file

* Fix throughput reporting for content steering

* Add MPD throughput when querying by service location

* Rename stableBufferTime to bufferTimeDefault

* Refactor content steering throughput logic

* Add settings description

* Add setting for changing the EWMA weight factor

* bugfix/reset-race-conditions (#4246)

* fix: clear timeout on reset

* fix: add null check to prevent errors when _onRemove is called after reset

* Compare indices of mediaInfo objects when checking if a track change was rendered. This accounts for content that has no ID attribute for the AdaptationSets. (#4249)

* Add additional throughput calculation means and corresponding unit tests

* Fix bug in ThroughputController.js

* Remove offline sample for now as we working on a new UI. Adjust other samples based on new settings parameters.

* Adjust index.d.ts

* Fix wrong attribute in L2A rule (#4252)

* Fix error in ProtectionModel_21Jan2015.js when closing key session (#4253)

* Update index.d.ts

* Fix accessing undefined value in _closeKeySessionInternal

* Add ThroughputController to index.d.ts

* Updates to index.d.ts

* Fix linting errors

* Update index.d.ts

.eslintrc

@@ -22,6 +22,13 @@
         "strict": 0,
         "no-loop-func": 0,
         "no-multi-spaces": "error",
+        "keyword-spacing": [
+            "error",
+            {
+                "before": true,
+                "after": true
+            }
+        ],
         "quotes": [
             "error",
             "single",