Support for WebGPU backend in Android SDK (#4097)

platform/android/MapLibreAndroidTestApp/build.gradle.kts

@@ -93,6 +93,25 @@ android {
                 }
             }
         }
+        create("webgpuDawn") {
+            dimension = "renderer"
+            externalNativeBuild {
+                cmake {
+                    arguments("-DMLN_WITH_WEBGPU=ON", "-DMLN_WEBGPU_IMPL_DAWN=ON")
+                }
+            }
+        }
+        create("webgpuWgpu") {
+            dimension = "renderer"
+            ndk {
+                abiFilters += "arm64-v8a"
+            }
+            externalNativeBuild {
+                cmake {
+                    arguments("-DMLN_WITH_WEBGPU=ON", "-DMLN_WEBGPU_IMPL_WGPU=ON")
+                }
+            }
+        }
     }
 
     buildFeatures {

platform/android/MapLibreAndroidTestApp/src/main/java/org/maplibre/android/testapp/activity/style/HeatmapLayerActivity.kt

@@ -36,7 +36,7 @@ class HeatmapLayerActivity : AppCompatActivity() {
                         Style.Builder()
                             .fromUri(TestStyles.getPredefinedStyleWithFallback("Pastel"))
                             .withSource(createEarthquakeSource())
-                            .withLayerAbove(createHeatmapLayer(), "country_label")
+                            .withLayer(createHeatmapLayer())
                             .withLayerBelow(createCircleLayer(), HEATMAP_LAYER_ID)
                     )
                 } catch (exception: URISyntaxException) {