Revert "ConnectivityServiceTest: eliminate remaining sleep()"

CL https://android-review.googlesource.com/#/c/420720/ is
breaking several internal builds, and CL
https://android-review.googlesource.com/#/c/422481/ must
be reverted beforehand.

This reverts commit 638073b48354658c9339654d7c4049744e16715b.

Change-Id: If0b196b6860c4087a05b28770469d7850a76fd37
1 file changed
tree: 8f1c712d99b445ebfab17c0e9068e567e6494216
  1. core/
  2. services/
  3. tests/