继承自 MapView 改为 TextureMapView

考虑到 MapView 会重叠使用，尽管官方文档里说 TextureMapView 渲染效率不如默认的 MapView，之后再考虑两者的支持

android/src/main/java/cn/qiuxiang/react/amap3d/AMapView.kt

@@ -5,7 +5,7 @@ import android.content.Context
 import android.view.View
 import com.amap.api.maps.AMap
 import com.amap.api.maps.CameraUpdateFactory
-import com.amap.api.maps.MapView
+import com.amap.api.maps.TextureMapView
 import com.amap.api.maps.model.*
 import com.facebook.react.bridge.Arguments
 import com.facebook.react.bridge.ReadableArray
@@ -14,7 +14,7 @@ import com.facebook.react.bridge.WritableMap
 import com.facebook.react.uimanager.ThemedReactContext
 import com.facebook.react.uimanager.events.RCTEventEmitter
 
-class AMapView(context: Context) : MapView(context) {
+class AMapView(context: Context) : TextureMapView(context) {
     private val eventEmitter: RCTEventEmitter = (context as ThemedReactContext).getJSModule(RCTEventEmitter::class.java)
     private val markers = HashMap<String, AMapMarker>()
     private val polylines = HashMap<String, AMapPolyline>()