[maps-android] add mavenLocal to repositories (#6274)

When building test app, we should be able to look for dependencies in
local maven since deployment takes some time. Relates to:
* mapbox/mapbox-sdk#5592
* mapbox/mapbox-sdk#6155

cc @mapbox/maps-android

GitOrigin-RevId: 2814781d0795af2fbb2cbda42f6de09af3dff7ee

Author: natiginfo

build.gradle.kts

@@ -33,6 +33,7 @@ buildscript {
 
 allprojects {
   repositories {
+    mavenLocal()
     google()
     mavenCentral()
     maven {