disable instrumentation tests in travis, it's just too slow

.travis.yml

@@ -1,11 +1,12 @@
 language: android
 jdk: openjdk7
+# container based build, we don't need root anyways
 sudo: false
-env:
-    global:
-        - ANDROID_API_LEVEL=21
-        - ANDROID_ABI=armeabi-v7a
-        - ADB_INSTALL_TIMEOUT=8 # minutes (2 minutes by default)
+# env:
+    # global:
+        # - ANDROID_API_LEVEL=21
+          # - ANDROID_ABI=armeabi-v7a
+          # - ADB_INSTALL_TIMEOUT=8 # minutes (2 minutes by default)
 android:
     components:
         - build-tools-22.0.1
@@ -23,12 +24,13 @@ android:
         - 'android-sdk-license-.+'
         - 'google-gdk-license-.+'
 
-before_script:
-    - echo no | android create avd --force -n test -t android-$ANDROID_API_LEVEL --abi $ANDROID_ABI
-    - emulator -avd test -no-skin -no-audio -no-window &
-    - ./tools/android-wait-for-emulator
-    - adb shell input keyevent 82 &
+# doesn't work, travis is just too slow
+# before_script:
+# - echo no | android create avd --force -n test -t android-$ANDROID_API_LEVEL --abi $ANDROID_ABI
+# - emulator -avd test -no-skin -no-audio -no-window &
+# - ./tools/android-wait-for-emulator
+# - adb shell input keyevent 82 &
 
 script:
-    - ./gradlew connectedAndroidTest
+    # - ./gradlew connectedAndroidTest
     - ./gradlew testDebug jacocoTestReport coveralls