logd: logcat -L takes longer causing vold to timeout.

Temporary fix to prevent device from getting stuck at boot.

Signed-off-by: Ruchi Kandoi <kandoiruchi@google.com>
Bug: 28788401
Bug: 30041146
Bug: 30612424
Bug: 30630936
Change-Id: Ie4246fc3c9eb7a3af2cb909546811c85997515da