GD Controller: Add status packet for LE_READ_REMOTE_FEATURES

* We should expect a command status event after sending LE_READ_REMOTE_FEATURES
  command

Fixes: 177791720
Bug: 177791720
Test: make
Tag: #gd-refactor
Change-Id: Ibff3c620699b06ff2d88016ed7f3f55f2ae334d7