Revert "EncoderCapabilities: Adding HFR entry in EncoderCapabilities and JNI"

This reverts commit 073c31da468d44ae4c7022da704184a5313adc62.
Revert "National roaming for Telfort in the Netherlands"

This reverts commit b89a5a636b4e7742ba7117ec98e4a8c0eb62e759.
Revert "Tethering: fix NPE when retrieving active interfaces"

This reverts commit b8fbc8bb72470026d52399713f5d1f731da1f0c7.