CTS: wakeup alarm occurred

Added cts tests for wakeup alarm
Also cleaned up code a bit and reduced the default sleep time to improve
runtime

Test: cts test

Change-Id: I0ab1e4d4924918a7d6bec45dc2931321e9eea28b
5 files changed
tree: ae0ddfd4bbfabbbb7820ae151faa52415f5c2a00
  1. tests/