ANDROID: GKI: update virtual device symbol list for led audio driver.

Commit a7dd8b77 ("leds: trigger: audio: Add an activate callback to
ensure the initial brightness is set") in 5.10.65 changed the symbols
needed by the drivers/leds/trigger/ledtrig-audio.c driver so fix this by
adding the needed ones to our list.

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 led_set_brightness_nosleep(led_classdev*, led_brightness)'
  [A] 'function int led_trigger_register(led_trigger*)'
  [A] 'function void led_trigger_unregister(led_trigger*)'

Fixes: a7dd8b77 ("leds: trigger: audio: Add an activate callback to ensure the initial brightness is set")
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ida491e4bf590e8210696fd9ee2bbf586c22ac226