[SPARK-9335] [TESTS] Enable Kinesis tests only when files in extras/kinesis-asl are changed

Author: zsxwing <zsxwing@gmail.com>

Closes #7711 from zsxwing/SPARK-9335-test and squashes the following commits:

c13ec2f [zsxwing] environs -> environ
69c2865 [zsxwing] Merge remote-tracking branch 'origin/master' into SPARK-9335-test
ef84a08 [zsxwing] Revert "Modify the Kinesis project to trigger ENABLE_KINESIS_TESTS"
f691028 [zsxwing] Modify the Kinesis project to trigger ENABLE_KINESIS_TESTS
7618205 [zsxwing] Enable Kinesis tests only when files in extras/kinesis-asl are changed