Update android sdk tools on CI server

android-update-tools.sh

#!/bin/bash
 
## Dump list, for reference
# android list sdk -u -a -e
 
## No 'tag' for getting latest build tools, for some reason
BUILD_TOOLS_LATEST=$(android list sdk -u -a -e | grep 'build-tools-' | head -n 1 | cut -d' ' -f2)
 
## Run through expect to accept license
expect -c "
  set timeout -1;
  spawn android update sdk -u -a -t tool,platform-tool,$BUILD_TOOLS_LATEST,extra-google-m2repository,extra-android-m2repository;
  expect { 
    \"Do you accept the license\" { exp_send \"y\r\" ; exp_continue }
    eof
  }
"