Heading updates don't have updated timestamps.

[MatthewGerber]

Bug Information

Version Number of Plugin: 4.5.0.6
Device Tested On: iPhone 6
Simulator Tested On: N/A
Version of VS: Visual Studio for Mac 7.5.1
Version of Xamarin: 11.10.1.178

Steps to reproduce the Behavior

Listen for heading updates.

Expected Behavior

Each update (e.Position.Timestamp) has the timestamp at which the heading change occurred.

Actual Behavior

All heading updates have the same timestamp -- that of the most recent location update.