Update README about Android SDK version (#1887)

* Update README about Android SDK version

* Add android.permission.READ_MEDIA_IMAGES

* Update README.md

Author: pnthach95

README.md

@@ -64,7 +64,7 @@ ImagePicker.openPicker({
 **Android: The prop 'cropping' has been known to cause videos not to be displayed in the gallery on Android. Please do not set cropping to true when selecting videos.**
 
 
-### Select from camera 
+### Select from camera
 
 #### Image
 
@@ -212,15 +212,25 @@ In Xcode open Info.plist and add string key `NSPhotoLibraryUsageDescription` wit
 
 - Open your Xcode project
 - Go to your project settings by opening the project name on the Navigation (left side)
-- Select your project in the project list 
+- Select your project in the project list
 - Should be into the Info tab and add in Localizations the language your app was missing throughout the +
 - Rebuild and you should now have your app camera and gallery with the classic ios text in the language you added.
 
 ### Android
 
-- **VERY IMPORTANT** Add the following to your `build.gradle`'s repositories section. (android/build.gradle)
+- **VERY IMPORTANT** Add the following to your `build.gradle`'s repositories section and change Android SDK version to 33. (android/build.gradle)
 
 ```gradle
+buildscript {
+    ext {
+        buildToolsVersion = "31.0.0"
+        minSdkVersion = 21
+        compileSdkVersion = 33
+        targetSdkVersion = 33
+        ...
+    }
+}
+
 allprojects {
     repositories {
       mavenLocal()
@@ -251,23 +261,6 @@ android {
 }
 ```
 
-- Use Android SDK >= 26 (android/app/build.gradle)
-
-```gradle
-android {
-    compileSdkVersion 27
-    buildToolsVersion "27.0.3"
-    ...
-    
-    defaultConfig {
-      ...
-      targetSdkVersion 27
-      ...
-    }
-    ...
-}
-```
-
 - Minimum Gradle version if you are using react-native-image-crop-picker >= 0.35.0
 
 ```
@@ -280,6 +273,9 @@ android {
 
 Reference for more details https://github.com/ivpusic/react-native-image-crop-picker/issues/1406
 
+- If you use SDK version >= 33, add following to `app/src/main/AndroidManifest.xml`
+  - `<uses-permission android:name="android.permission.READ_MEDIA_IMAGES"/>`
+
 - [Optional] If you want to use camera picker in your project, add following to `app/src/main/AndroidManifest.xml`
   - `<uses-permission android:name="android.permission.CAMERA"/>`