sr: Update header image

Based on http://review.cyanogenmod.org/64091 , slightly modified position
Vectorized & scaled properly, much better than what we have now

Change-Id: I28bb7c06c8011e2dc2988f41b1ea7f93a3819fed
sr: Kill logspam

 * Eradicate debug prints left in async rendering patch.

Change-Id: If8f8a6e828e1038a3792cc6fe88d38c8976bcee2