Revert "Disable dalvik log spam"

This reverts commit 8a98727fa91f4a43e20148fb8834ca3388260f2f.

Now it's disabled by default http://review.cyanogenmod.org/#/c/51489/

Change-Id: I433df9272522d45e3efb8449b87c12edc6318f7d
Merge branch 'cm-10.2' into martincz