audio_route: skip missing controls

Mixer controls that are in mixer_paths.xml but missing from
the mixer should be skipped, otherwise arrays will be accessed
out of bounds. This happened in b/8893515.

Also print the missing control name to aid debugging.

Change-Id: Ia808df48734f78a02281408a4025652dec9762c0
1 file changed
tree: 38a2ea6ebb5548ec1d1cfdafe07413dd379d12fc
  1. audio_effects/
  2. audio_route/
  3. audio_utils/
  4. camera/
  5. CleanSpec.mk