tree 8147af0ac095e3f881324a0f707da8c83e48b1d1
parent 6f90b24a1a95d2ae397ac3f2ce645a6ea5de1f64
author Michael Rosenfeld <mrosenfeld@google.com> 1481828315 -0800
committer Michael Rosenfeld <mrosenfeld@google.com> 1482178840 -0800

Add a method to append to files in the file utility.

Test: added to FileUtilTest for #writeToFile(InputStream, File, boolean)
Test: added to FileUtilTest for #writeToFile(InputStream, File)
Test: added to FileUtilTest for #writeToFile(String, File)
Test: added to FileUtilTest for #writeToFile(String, File, boolean)

Change-Id: I48665e4ab17b0b5599654880bb005ed478b7a38f