赛事筛选；微信角标切口；选择图片功能权限问题

选择图片功能权限问题，需先导出项目，将res/xml文件夹复制到unitylibrary的res文件夹下

Assets/Plugins/Android/AndroidManifest.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools">
-	<application>
+	<application android:requestLegacyExternalStorage="true">
 		<activity android:name="com.unityplugins.imageselector.TestMainActivity" android:theme="@style/UnityThemeSelector" android:screenOrientation="landscape" android:launchMode="singleTask" android:configChanges="mcc|mnc|locale|touchscreen|keyboard|keyboardHidden|navigation|orientation|screenLayout|uiMode|screenSize|smallestScreenSize|fontScale|layoutDirection|density" android:hardwareAccelerated="false">
 			<intent-filter>
 				<action android:name="android.intent.action.MAIN" />
@@ -21,7 +21,8 @@
 			android:name="android.support.v4.content.FileProvider"
 			android:authorities="${applicationId}.any_provider"
 			android:grantUriPermissions="true"
-			android:exported="false">
+			android:exported="false"
+			tools:replace="android:authorities">
 			<meta-data
 				android:name="android.support.FILE_PROVIDER_PATHS"
 				android:resource="@xml/provider_paths" />

Assets/Plugins/Android/res.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 976ab7a2bf2e3224c835cdaeb965e28e
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Plugins/Android/res/xml.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: dee994506c10782468904a12cea55d7e
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Plugins/Android/res/xml/file_paths.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<paths xmlns:android="http://schemas.android.com/apk/res/android">
+    <root-path
+        name="root"
+        path="." />
+    <files-path
+        name="files"
+        path="." />
+    <cache-path
+        name="cache"
+        path="/"/>
+    <external-path
+        name="external"
+        path="." />
+    <external-cache-path
+        name="external_cache"
+        path="." />
+    <external-files-path
+        name="external_file"
+        path="." />
+</paths>

Assets/Plugins/Android/res/xml/file_paths.xml.meta

@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 62c5e709a0ec9c341b10410af98decb5
+TextScriptImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: