am f78fdacc: am eaa2cabf: Merge "Fix problem where Base64InputStream single-byte reads were unsigned." into gingerbread

Merge commit 'f78fdaccde379d1c101be137416808ea62a2f292'

* commit 'f78fdaccde379d1c101be137416808ea62a2f292':
  Fix problem where Base64InputStream single-byte reads were unsigned.