Update min_sdk_version for listenablefuture prebuilt

Test: make
Exempt-From-Owner-Approval: LSC for androidx update
Change-Id: Iff6cffb4557bb8bb5b445f0b0ead799b83807ebe
Merged-In: Iff6cffb4557bb8bb5b445f0b0ead799b83807ebe
(cherry picked from commit eef1f94693128f68be9e82d8cf85b22c18c19612)
1 file changed