gatts load bonded for service change

Prepare list of bonded devices that will need service change updates
after BT restarted.

Cherry-picked from wear os

Bug: 263323082
Bug: 162948473
Bug: 251157966
Test: atest net_test_stack
Change-Id: I7f3541a21e2c4a629498fd91d3a6438135a760e0
(cherry picked from commit 5f3719499b6ca547086d5a2ad8f6d3fca748deb3)
(cherry picked from commit 3d83a0ff)
Merged-In: I7f3541a21e2c4a629498fd91d3a6438135a760e0