[automerger skipped] DO NOT MERGE Add sleep(3) after stopSupplicant when...

[automerger skipped] DO NOT MERGE Add sleep(3) after stopSupplicant when VtsHalWifiSupplicant am: ca078935 -s ours am: 8adb4f65 -s ours am: ad6c07e4 am: 1d251753 -s ours am: a635038c am: 107456af -s ours am: 7c4efd57 -s ours

am skip reason: subject contains skip directive

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1478060

Change-Id: Ibf54821eeb17fdd5d3fa6659f78d5b96ce5fca1b