Updating SDK package Revision number to 4 for a re-release to fix:b/142480924 Bug: 142480924 Test: N/A am: 5f7d9e20e7 am: 92b9127f97
am: 628dbb36f5

Change-Id: I6ad5a841adaf003c0cfcb770ce3f9ab726b7ed5b