Revert "sdcard: Allow building as a static library"

For some reason (maybe gcc) the sdcard daemon is broken for some devices

I can't reproduce this error but I got some logs below:

from logcat
http://paste.omnirom.org/view/380f6994

from kernel
http://paste.omnirom.org/view/3ebfe137

This reverts commit 1e8b51531e4d9ff356da0c09da4bf2860d523c8c.

Signed-off-by: Humberto Borba <humberos@gmail.com>
Change-Id: I56b0b8c0b50fdc53101494557c773ce717273bd0
Merge "Revert "sdcard: Allow building as a static library"" into android-4.4
Merge remote-tracking branch 'omni/android-4.4' into android-4.4