[dkhawk]

Adds AbstractMapViewDelegate and mapViewCreator to GoogleMap so custom map containers such as the Android Navigation SDK's NavigationView can be hosted inside Maps Compose, along with the :navigation-app sample module (turn-by-turn guidance, collapsible simulation controls, and Places Search Along Route).

[github-actions]

Coverage (unit tests)

Compared against a53f06e on main (#1045).

Module	Line %	Change	Branch %	Change
maps-compose	16.30%	🔺 +1.02	3.81%	🔺 +0.05
maps-compose-utils	6.09%	no change	4.47%	no change
maps-compose-widgets	10.88%	no change	11.11%	no change
TOTAL	13.78%	🔺 +0.79	4.16%	🔺 +0.04

_{Line and branch coverage from unit test reports. History is recorded on the coverage-history branch after each merge to main.}