ANDROID: qcom: Add qdisc related symbols

Add register_qdisc and unregister_qdisc which are needed by rmnet
modules.

Leaf changes summary: 2 artifacts changed
Changed leaf types summary: 0 leaf type changed
Removed/Changed/Added functions summary: 0 Removed, 0 Changed, 2 Added
functions
Removed/Changed/Added variables summary: 0 Removed, 0 Changed, 0 Added
variable

2 Added functions:

  [A] 'function int register_qdisc(Qdisc_ops*)'
  [A] 'function int unregister_qdisc(Qdisc_ops*)'

Bug: 201660525
Change-Id: Ifc6c36ffada9046f8f23d3e87059a5d631b5cf8c
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>