Update .travis.yml

Author: darkal

.travis.yml

@@ -7,7 +7,7 @@ android:
   components:
     - build-tools-27.0.3
     - android-23
-    - sys-img-armeabi-v7a-android-23
+    - sys-img-armeabi-v7a-android-22
     - android-27
     - extra-android-m2repository
     - extra-android-support
@@ -25,4 +25,4 @@ before_script:
     - 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
-    - adb shell input keyevent 82 &
+    - adb shell input keyevent 82 &