Updated travis ci

Author: gauravk95

.travis.yml

@@ -12,13 +12,19 @@ android:
     - build-tools-27.0.3
     - android-27
     - extra-android-m2repository
+    - android-22
+    - sys-img-armeabi-v7a-android-22
 
   licenses:
     - android-sdk-license-.+
 
   # Emulator Management: Create, Start and Wait
   before_script:
     - echo no | android create avd --force -n test -t android-22 --abi armeabi-v7a
-    - emulator -avd test -no-audio -no-window &
+    - emulator -avd test -no-skin -no-audio -no-window &
     - android-wait-for-emulator
-    - adb shell input keyevent 82 &
+    - adb shell input keyevent 82 &
+
+  script:
+    - android list target
+    - ./gradlew connectedAndroidTest