move ueventd device file back into device

Change-Id: I2c12e97a4985ba0ce5b1c7fe888a21f469139710
otter2: remove local releasetools

Change-Id: I4a95577e44cac523c2d62dcd02fe97280c37ace3
otter2: use unified releasetools

Change-Id: Iab3556c9fce4e942a7f40622593e4a2cfac76b9f