try fix travis

scripts/env/installAndroidSDK.sh

 #!/bin/bash -e
 
-# export ANDROID_HOME=$HOME/android-sdk-macosx
-# export PATH=$PATH:$ANDROID_HOME/tools:$ANDROID_HOME/platform-tools
+export ANDROID_HOME=$HOME/android-sdk-macosx
+export PATH=$PATH:$ANDROID_HOME/tools:$ANDROID_HOME/platform-tools
 
-# # fix for https://code.google.com/p/android/issues/detail?id=223424
-# mkdir -p ~/.android
+# fix for https://code.google.com/p/android/issues/detail?id=223424
+mkdir -p ~/.android
 
-# # download android SDK
-# echo "Downloading Android SDK"
-# curl --location https://dl.google.com/android/android-sdk_r24.4.1-macosx.zip | tar -x -z -C $HOME
+# download android SDK
+echo "Downloading Android SDK"
+curl --location https://dl.google.com/android/android-sdk_r24.4.1-macosx.zip | tar -x -z -C $HOME
 
-# # copy licenses
-# echo "Copying Android licenses"
-# scriptdir=`dirname $0`
-# mkdir -p "${ANDROID_HOME}"/licenses
-# cp "${scriptdir}"/android-sdk-licenses/* "${ANDROID_HOME}"/licenses
-
-# SCRIPT=`realpath $0`
-SCRIPTPATH=`dirname $0`
-
-echo $SCRIPTPATH
+# copy licenses
+echo "Copying Android licenses"
+mkdir -p "${ANDROID_HOME}"/licenses
+cp "./android-sdk-licenses/*" "${ANDROID_HOME}"/licenses