Fallback to version code in case lastUpdateMillis field is not populated

Test: presubmit
Bug: 193374411
Change-Id: I2006a1926c64cf01e12d82c90197b20f5cff9406
Merged-In: I2006a1926c64cf01e12d82c90197b20f5cff9406
(cherry picked from commit 5f2f289b64f163e491b9b53364ce04874f82b4e3)
1 file changed