Merge pull request #3950 from Xreki/travis_remove_build_android

Remove build_android task from travis temporarily

Author: Xreki

.travis.yml

@@ -4,15 +4,13 @@ cache:
     - $HOME/.ccache
     - $HOME/.cache/pip
     - $TRAVIS_BUILD_DIR/build/third_party
-    - $TRAVIS_BUILD_DIR/build_android/third_party
 sudo: required
 dist: trusty
 os:
   - linux
 env:
   - JOB=build_doc
   - JOB=check_style
-  - JOB=build_android
 addons:
   apt:
     packages: