Changed to android-22

Author: gaurivn

.travis.yml

@@ -11,11 +11,12 @@ android:
     - build-tools-28.0.3
     - android-28
     - android-27
-    - sys-img-armeabi-v7a-android-27
+    - android-22
+    - sys-img-armeabi-v7a-android-22
 before_install:
  - yes | ${ANDROID_HOME}/tools/bin/sdkmanager "platforms;android-27"
 before_script:
- - echo no | android create avd --force -n test -t android-27 --abi armeabi-v7a
+ - echo no | android create avd --force -n test -t android-22 --abi armeabi-v7a
  - emulator -avd test -no-audio -no-window &
  - android-wait-for-emulator
  - chmod +x gradlew