test/watchdog: Change the time quantum to 0.1s instead of 1s

This improves the runtime of the test suite from 60s down to 6s or less.

Tested:
    Run multiple times through the unit test suite without any
    flakiness.

Change-Id: Ib7d97ed62b45501db9cf15dba01e33f8f9d07b5d
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/test/watchdog.hpp b/test/watchdog.hpp
index 1139251..df628c3 100644
--- a/test/watchdog.hpp
+++ b/test/watchdog.hpp
@@ -16,7 +16,7 @@
   public:
     // The unit time used to measure the timer
     // This should be large enough to accomodate drift
-    using Quantum = seconds;
+    using Quantum = duration<uint64_t, std::deci>;
 
     // Gets called as part of each TEST_F construction
     WdogTest() :