feat: improves AdvancedMarkers collision comments and snippets (googl…

…emaps-samples#1716)

feat: copies some snippets that were in v3 only to gms (googlemaps-sa…

…mples#1715)

* feat: copies some snippets that were in v3 only to gms
chore: the java compatibility version

* fix: updates copyright dates and adds missing copyright

* fix: copyright header for strings.xml

* fix: set Java Version back to 17

* fix: set Java Version back to 17

* fix: set Java Version back to 17

* fix: set Java Version back to 17

* fix: set Java Version back to 17

* feat: creates AdvancedMarkersCollisionActivity to demonstrate marker collision behavior

* chore: not adding jar files in libs directory

* feat: set Java 21 everywhere

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Co-authored-by: Enrique López Mañas <[email protected]>

feat: added Kotlin MapColorScheme sample (googlemaps-samples#1712)

* feat: added Kotlin MapColorScheme sample

* chore: added header in XML file

* feat: added Kotlin MapColorScheme sample

* feat: Java demo

fix: updated dependencies to solve compilation issue (googlemaps-samp…

…les#1557)

* fix: versions and dependencies updated to allow compilation

* fix: duplicated libraries

* fix: updated Gradle

* fix: updated Manifest

* fix: updated Gradle

* fix: fixed header

feat: add Advanced Markers Samples (googlemaps-samples#1435)

feat: adding styled map sample (googlemaps-samples#1433)

feat: removed renderer selection from the samples (googlemaps-samples…

…#1430)

Since the new renderer is default as of Maps SDK for Android v18.2.0, the renderer selection is unnecessary for these demos.

feat: updated targetSdk and compileSdk (googlemaps-samples#1428)

* feat: updated targetSdk and compileSdk

* docs: added licenses

* docs: excluded markdown files from header check

fix: fixed NPE on OnMapAndViewReadyListener (googlemaps-samples#1116)

fix: revert dependencies to last green build (googlemaps-samples#937)