Add timestamp details in docs
Bug: 176847000
Change-Id: Id8dc26c14a42f5622cf9fac935d94f2fe2918d67
Test: n/a
diff --git a/automotive/vehicle/2.0/types.hal b/automotive/vehicle/2.0/types.hal
index 931fee4..da48b3c 100644
--- a/automotive/vehicle/2.0/types.hal
+++ b/automotive/vehicle/2.0/types.hal
@@ -3691,7 +3691,10 @@
* events.
*/
struct VehiclePropValue {
- /** Time is elapsed nanoseconds since boot */
+ /**
+ * Time is elapsed nanoseconds since boot. It's equivalent to
+ * {@code SystemClock.elapsedRealtimeNano()}.
+ */
int64_t timestamp;
/**