tree 35e9f6895f85e0debed2d8fb0db67d44eb0ca111
parent e520f1d4cddeca4208ccc385313d900581ff117c
author Tao Bao <tbao@google.com> 1441844215 -0700
committer Tao Bao <tbao@google.com> 1441905476 -0700

updater: Fix the line breaks in ui_print commands.

When processing ui_print commands in the updater, it misses a line break
when printing to the recovery log.

Also clean up uiPrintf() and UIPrintFn() with std::string's.

Change-Id: Ie5dbbfbc40b024929887d3c3ccd3a334249a8c9d