am c6b7a2d7: am d1e9d590: Doc change: add sizes/sums for sdk/ndk/adt packages.

Merge commit 'c6b7a2d704b6196c2f578302af607d58b0b85e4b' into kraken

* commit 'c6b7a2d704b6196c2f578302af607d58b0b85e4b':
  Doc change: add sizes/sums for sdk/ndk/adt packages.