Change ALOGE to ALOGV (if touchboost socket is not available)

Some of the kernel devs decided to remove mpdecision completely,
and this causes an enormous spam in logcat
for each touchevent when PowerHAL tries to touch_boost();

Change-Id: I67f90069886d17ff49df446553ea3c27b6faa968
Signed-off-by: Gergely Szell (sethyx) <szell@hu.ibm.com>