configuração com YML shell.

.gitlab-ci.yml

-image: thyrlian/android-sdk:latest
-
 variables:
   ANDROID_COMPILE_SDK: "25"
   ANDROID_BUILD_TOOLS: "25.0.3"
@@ -9,14 +7,25 @@ variables:
 before_script:
   - chmod +x ./gradlew
 
-
 stages:
+  - build_image
   - build
   - test
 
+buildImage:
+  tags:
+    - android
+  only:
+    - master
+  stage: build_image
+  script:
+    - docker run -it -v $(pwd)/sdk:/opt/android-sdk thyrlian/android-sdk /bin/bash
+
 build:
   tags:
     - android
+  only:
+    - master
   stage: build
   script:
     - ./gradlew assembleDebug
@@ -27,13 +36,15 @@ build:
 functionalTests:
   tags:
     - android
+  only:
+    - master
   stage: test
   script:
     - wget --quiet --output-document=android-wait-for-emulator https://raw.githubusercontent.com/travis-ci/travis-cookbooks/0f497eb71291b52a703143c5cd63a217c8766dc9/community-cookbooks/android-sdk/files/default/android-wait-for-emulator
     - chmod +x android-wait-for-emulator
-    - echo y | $ANDROID_HOME/tools/bin/sdkmanager --silent update sdk --no-ui --all --filter sys-img-x86-google_apis-${ANDROID_COMPILE_SDK}
-    - echo no | $ANDROID_HOME/tools/bin/sdkmanager create avd -n test -t android-${ANDROID_COMPILE_SDK} --abi google_apis/x86
-    - $ANDROID_HOME/tools/bin/sdkmanager/emulator64-x86 -avd test -no-window -no-audio &
+    - echo y | $ANDROID_HOME/tools/bin/avdmanager --silent update sdk --no-ui --all --filter sys-img-x86-google_apis-${ANDROID_COMPILE_SDK}
+    - echo no | $ANDROID_HOME/tools/bin/avdmanager create avd -n test -t android-${ANDROID_COMPILE_SDK} --abi google_apis/x86
+    - $ANDROID_HOME/tools/bin/avdmanager/emulator64-x86 -avd test -no-window -no-audio &
     - ./android-wait-for-emulator
     - adb shell input keyevent 82
     - ./gradlew cAT