Update android sdk and ndk

brew files taken from
https://github.com/Homebrew/homebrew/blob/1a85564a8b5dd4224d5d93cadc9602dbd658f748/Library/Formula/android-sdk.rb
https://github.com/Homebrew/homebrew/blob/558f410cfe86a8d6e75c01ae6f97ed63c4a82ecb/Library/Formula/android-ndk.rb