Update kotlin version

android/build.gradle

@@ -2,7 +2,7 @@ apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
 
 buildscript {
-    ext.kotlin_version = '1.1.4-3'
+    ext.kotlin_version = '1.1.51'
 
     repositories {
         jcenter()

android/src/main/java/cn/qiuxiang/react/amap3d/maps/AMapCircleManager.kt

@@ -6,6 +6,7 @@ import com.facebook.react.uimanager.SimpleViewManager
 import com.facebook.react.uimanager.ThemedReactContext
 import com.facebook.react.uimanager.annotations.ReactProp
 
+@Suppress("unused")
 internal class AMapCircleManager : SimpleViewManager<AMapCircle>() {
     override fun getName(): String {
         return "AMapCircle"

android/src/main/java/cn/qiuxiang/react/amap3d/maps/AMapHeatMapManager.kt

@@ -5,6 +5,7 @@ import com.facebook.react.uimanager.SimpleViewManager
 import com.facebook.react.uimanager.ThemedReactContext
 import com.facebook.react.uimanager.annotations.ReactProp
 
+@Suppress("unused")
 internal class AMapHeatMapManager : SimpleViewManager<AMapHeatMap>() {
     override fun getName(): String {
         return "AMapHeatMap"

android/src/main/java/cn/qiuxiang/react/amap3d/maps/AMapMarkerManager.kt

@@ -9,6 +9,7 @@ import com.facebook.react.uimanager.ThemedReactContext
 import com.facebook.react.uimanager.ViewGroupManager
 import com.facebook.react.uimanager.annotations.ReactProp
 
+@Suppress("unused")
 internal class AMapMarkerManager : ViewGroupManager<AMapMarker>() {
     override fun getName(): String {
         return "AMapMarker"

android/src/main/java/cn/qiuxiang/react/amap3d/maps/AMapMultiPointManager.kt

@@ -7,6 +7,7 @@ import com.facebook.react.uimanager.SimpleViewManager
 import com.facebook.react.uimanager.ThemedReactContext
 import com.facebook.react.uimanager.annotations.ReactProp
 
+@Suppress("unused")
 internal class AMapMultiPointManager : SimpleViewManager<AMapMultiPoint>() {
     override fun getName(): String {
         return "AMapMultiPoint"

android/src/main/java/cn/qiuxiang/react/amap3d/maps/AMapPolygonManager.kt

@@ -5,6 +5,7 @@ import com.facebook.react.uimanager.SimpleViewManager
 import com.facebook.react.uimanager.ThemedReactContext
 import com.facebook.react.uimanager.annotations.ReactProp
 
+@Suppress("unused")
 internal class AMapPolygonManager : SimpleViewManager<AMapPolygon>() {
     override fun getName(): String {
         return "AMapPolygon"

android/src/main/java/cn/qiuxiang/react/amap3d/maps/AMapPolylineManager.kt

@@ -5,6 +5,7 @@ import com.facebook.react.uimanager.SimpleViewManager
 import com.facebook.react.uimanager.ThemedReactContext
 import com.facebook.react.uimanager.annotations.ReactProp
 
+@Suppress("unused")
 internal class AMapPolylineManager : SimpleViewManager<AMapPolyline>() {
     override fun getName(): String {
         return "AMapPolyline"

android/src/main/java/cn/qiuxiang/react/amap3d/maps/AMapViewManager.kt

@@ -11,6 +11,7 @@ import com.facebook.react.uimanager.ThemedReactContext
 import com.facebook.react.uimanager.ViewGroupManager
 import com.facebook.react.uimanager.annotations.ReactProp
 
+@Suppress("unused")
 internal class AMapViewManager : ViewGroupManager<AMapView>() {
     companion object {
         val ANIMATE_TO = 1