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
am: 910b112374

Change-Id: I1afd5d90c0e60e1ac28b1ef70ac82a08eef71ed4