Set sdk_version on mobule snippet lib am: c1a1245a8a am: 21869df031 am: 5fb5461850

Original change: https://android-review.googlesource.com/c/platform/external/mobly-snippet-lib/+/1941373

Change-Id: I40fd5e5dbc2c04262bd217c4f6dd20f9ef9c107e