WIP11: Use Android emulator to run tests.

Author: kinetiknz

.github/workflows/android.yml

@@ -68,7 +68,7 @@ jobs:
         run: |
           pactl info || (echo "PA Server failed to start" && exit 1)
 
-          ${{ env.ANDROID_HOME }}/emulator/emulator -avd test_avd \
+          emulator -avd test_avd \
             -no-window \
             -no-snapshot \
             -gpu swiftshader_indirect \