HID: Trace events for external sensor driver

These trace events are used to profile performance
of VR use cases.

Change-Id: Iba00ef71010a6a07809a23f631afba557c5dd822
Signed-off-by: Rohit Bandi <rohitbandi@codeaurora.org>
Signed-off-by: Sathish Ambley <sathishambley@codeaurora.org>