set sdk_version for kotlinx_coroutines_test am: 7996d44e13 am: 49b258ff17

Original change: https://android-review.googlesource.com/c/platform/external/kotlinx.coroutines/+/3070464

Change-Id: Ic7925e2b4913049a3e370d1bffceb79179521490
Signed-off-by: Automerger Merge Worker <[email protected]>