Bluetooth: Add constants to ScanResult

Add TX_POWER_NOT_PRESENT and PERIODIC_INTERVAL_NOT_PRESENT

Test: none
Bug: 37536707
Change-Id: Ia48a30f44a961c6e0babd17ecaed0eb93c98ecad
(cherry-picked from commit c7c01a28774e431a408744b443a674f2622fde9f)
4 files changed