Extract start-emulator as separate script

.travis.yml

@@ -27,4 +27,4 @@ before_install:
 
 script:
   - docker build --build-arg EMULATOR_API_LEVEL --build-arg EMULATOR_VARIANT --build-arg EMULATOR_ARCH -t android-emulator-$EMULATOR_API_LEVEL android-emulator/
-  - docker run -it --rm --env EMULATOR_API_LEVEL --volume=$(pwd)/android-emulator:/opt/workspace --entrypoint /opt/workspace/start-emulator.sh android-emulator-$EMULATOR_API_LEVEL
+  - docker run -it --rm --env EMULATOR_API_LEVEL --volume=$(pwd)/android-emulator:/opt/workspace --entrypoint /opt/workspace/check-image.sh android-emulator-$EMULATOR_API_LEVEL

android-emulator/check-image.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+java -Xmx32m -version
+sdkmanager --list
+avdmanager list avd
+emulator-check accel hyper-v cpu-info window-mgr desktop-env
+./start-emulator.sh &
+./wait-for-boot-completed
+adb devices -l
+adb shell pm dump com.google.android.gms | grep version
+sleep 2
+adb emu kill

android-emulator/start-emulator.sh

@@ -1,9 +1,5 @@
 #!/bin/bash
 
-java -Xmx32m -version
-sdkmanager --list
-avdmanager list avd
-emulator-check accel hyper-v cpu-info window-mgr desktop-env
 # https://developer.android.com/studio/run/emulator-commandline#startup-options
 emulator -verbose -show-kernel -avd android-emulator-${EMULATOR_API_LEVEL} \
          -no-accel \
@@ -15,9 +11,4 @@ emulator -verbose -show-kernel -avd android-emulator-${EMULATOR_API_LEVEL} \
          -camera-front none \
          -gpu swiftshader_indirect \
          -memory 2048 \
-         -skin 480x800 &
-./wait-for-boot-completed
-adb devices -l
-adb shell pm dump com.google.android.gms | grep version
-sleep 2
-adb emu kill
+         -skin 480x800