There was a typo in I6b819a8071389e7e4eb4874ff7750bd192695ff2 that
modified this default partition type from "0x83" to just 83. We are
now seeing failures relating to this as sfdisk checks for a "disk
manager" when it see Id 0x53 (== 83)
Device Boot Start End Blocks Id System
/dev/vda1 * 2048 26664575 13331264 53 OnTrack DM6 Aux3
Restore to 0x83
Change-Id: Ib43038d2d740fbe01a21a13dd56367f7bc97f869