ANDROID: symbol update for hikey960 (fix adv7511 functionality)

Fixes HDMI bridge functionality caused by missing CEC symbols in
the symbol allow list

Updated via:
$ BUILD_CONFIG=common/build.config.hikey960 ./build/build_abi.sh --update-symbol-list
$ BUILD_CONFIG=common/build.config.gki.aarch64 build/build_abi.sh --update --print-report

 ABI DIFFERENCES HAVE BEEN DETECTED! (RC=8)
========================================================
Leaf changes summary: 3 artifacts changed
Changed leaf types summary: 0 leaf type changed
Removed/Changed/Added functions summary: 0 Removed, 0 Changed, 3 Added functions
Removed/Changed/Added variables summary: 0 Removed, 0 Changed, 0 Added variable

3 Added functions:

  [A] 'function void cec_s_phys_addr_from_edid(cec_adapter*, const edid*)'
  [A] 'function void cec_transmit_done_ts(cec_adapter*, u8, u8, u8, u8, u8, ktime_t)'
  [A] 'function int ieee80211_freq_khz_to_channel(u32)'

========================================================
 Updating expected ABI definition (android/abi_gki_aarch64.xml)

Fixes: 55735e48 ("ANDROID: GKI: Build CEC_{CORE,NOTIFIER,PIN} in")
(I think, I didn't really bisect it down)
Signed-off-by: John Stultz <john.stultz@linaro.org>
Change-Id: If84bedd8550077ea1dc71451c1daf55438db79ab