Msdk: add some new properties for msdkh264enc and msdkh265enc
This patchset adds some new properties for msdkh264enc and msdkh265enc, so that user may use these properties to explore the features provided by the SDK
This patchset adds some new properties for msdkh264enc and msdkh265enc, so that user may use these properties to explore the features provided by the SDK