Merge "Update documentation about copyTo and copyFrom." am: 4cd38c30e6
am: e31342e692

* commit 'e31342e692c3df7bc791a9320a233d2e9cec7c8a':
  Update documentation about copyTo and copyFrom.

Change-Id: Ifbfe89186dfbfa691bae798c5fadcfe6ed75a431