enc-amf: Update to v2.1.0(.0)

* Supports both H264/AVC and H265/HEVC encoding.
* Fixed several crashes and bugs that plagued users.
* Massively reduced CPU usage caused by the plugin.
* Added settings for custom I/P/B Interval.
* Added settings for custom Frame Skipping.

enc-amf @ 9e269d2e

-Subproject commit b9f6811124b139a8e1f1d3980c8fa48e4aba1af0
+Subproject commit 9e269d2ef020d5a25015f27d712d91eacdd17033