Maybe no-audio gives emulator16 a chance to boot correctly

.travis.yml

@@ -1,6 +1,6 @@
 language: android
 env:
-  - ABI_IMAGE=armeabi-v7a-android ABI=armeabi-v7a API=16 VIEW_AVD_LOGS=1
+  - ABI_IMAGE=armeabi-v7a-android ABI=armeabi-v7a API=16 VIEW_AVD_LOGS=1 EMU_OPTS="-noaudio"
   - ABI_IMAGE=armeabi-v7a-android ABI=armeabi-v7a API=18 VIEW_AVD_LOGS=1
   - ABI_IMAGE=armeabi-v7a-android ABI=armeabi-v7a API=19 VIEW_AVD_LOGS=1
   - ABI_IMAGE=armeabi-v7a-android ABI=armeabi-v7a API=24 VIEW_AVD_LOGS=1
@@ -27,7 +27,7 @@ before_script:
   # Emulator Management: Create, Start and Wait
   - android list target
   - echo no | android create avd --force -n test -t android-$API --abi $ABI
-  - emulator -avd test -no-window -verbose -memory 1536 & # no-audio causes failures, so I removed it
+  - emulator -avd test -no-window -verbose -memory 1536 $EMU_OPTS & # no-audio causes failures, so I removed it
   - android-wait-for-emulator
   - adb shell input keyevent 82 &
   # Disable transitions