GD: Add ListMap and LruCache

* ListMap is a map whose keys are sorted by the order of when the
  key was added to the map
* LruCache is a map that evict the least used key when reaching
  capacity
* LruCache depends on ListMap for its internal functions

Bug: 157533831
Bug: 157534088
Tag: #gd-refactor
Test: atest bluetooth_test_gd
Change-Id: Ie112f96e48f108c5bb589ab3469d0892b51b28d7