Fix 053-wait-some time bounds

Require that we wait at least as long as specified, except allow
1 millisecond slop to accomodate some old kernels that seem to
wake up slightly early. But allow for additional scheduling
delays by increasing the upper time bound.

Test: Treehugger
Bug: 175435088
Change-Id: Ib374fbf9e03c6862273c6cd0b0883c73d052ae9d
1 file changed