try updating android api 25 (#176)

* use api 24 instead of 25.  cirlceci is having issues right now.

Author: thomaszurkan-optimizely

.circleci/config.yml

@@ -30,14 +30,14 @@ jobs:
     steps:
       - checkout
     #  - run:
-    #      name: List emulators
+    #       name: List emulators
     #      command: avdmanager list
     #  - run:
     #      name: List SDK
-    #      command: sdkmanager --list
+    #       command: sdkmanager --list
       - run:
           name: Setup emulator
-          command: sdkmanager "system-images;android-25;google_apis;armeabi-v7a" && echo "no" | avdmanager create avd -n test -k "system-images;android-25;google_apis;armeabi-v7a"
+          command: sdkmanager "system-images;android-24;google_apis;armeabi-v7a" && echo "no" | avdmanager create avd -n test -k "system-images;android-24;google_apis;armeabi-v7a"
       - run:
           name: Launch emulator
           command: export LD_LIBRARY_PATH=${ANDROID_HOME}/emulator/lib64:${ANDROID_HOME}/emulator/lib64/qt/lib && emulator64-arm -avd test -noaudio -no-boot-anim -no-window -accel on