Enable the android.permission.RECORD_AUDIO permission required for au…

…dio face-tracking to function. (#235)

samples/meta-body-tracking-sample/export_presets.cfg

@@ -161,7 +161,7 @@ permissions/receive_boot_completed=false
 permissions/receive_mms=false
 permissions/receive_sms=false
 permissions/receive_wap_push=false
-permissions/record_audio=false
+permissions/record_audio=true
 permissions/reorder_tasks=false
 permissions/restart_packages=false
 permissions/send_respond_via_message=false