Revert "get rid of otapackage tools"

This reverts commit 48b5c971e167eff499336f04efe16287758cfa0c.
(cherry picked from commit 28a2033cb56ea33c6f209a39a5b647a40c5a2cf2)

Change-Id: Ia56445ec23e438d6b1353c96bdf111babe18acf8