Merge pull request #8 from selcukbulca/master

Add build tools version 23.0.3

Author: viktorbenei

Dockerfile

@@ -58,6 +58,7 @@ RUN echo y | android update sdk --no-ui --all --filter android-10
 # build tools
 # Please keep these in descending order!
 RUN echo y | android update sdk --no-ui --all --filter build-tools-24.0.0-preview
+RUN echo y | android update sdk --no-ui --all --filter build-tools-23.0.3
 RUN echo y | android update sdk --no-ui --all --filter build-tools-23.0.2
 RUN echo y | android update sdk --no-ui --all --filter build-tools-23.0.1
 RUN echo y | android update sdk --no-ui --all --filter build-tools-22.0.1