Set ImeOptions to Done on Android Editor (#5653)

* Set ImeOptions to Done on Android Editor

* Apply fix to Material Editor renderer

- fixes #4832
- fixes #5030

Xamarin.Forms.Material.Android/MaterialEditorRenderer.cs

@@ -2,6 +2,7 @@
 using Android.Content;
 using Android.Util;
 using Android.Views;
+using Android.Views.InputMethods;
 using Android.Widget;
 using Xamarin.Forms;
 using Xamarin.Forms.Material.Android;
@@ -26,6 +27,7 @@ namespace Xamarin.Forms.Material.Android
 			var view = inflater.Inflate(Resource.Layout.TextInputLayoutFilledBox, null);
 			_textInputLayout = (MaterialFormsTextInputLayout)view;
 			_textInputEditText = _textInputLayout.FindViewById<MaterialFormsEditText>(Resource.Id.materialformsedittext);
+			_textInputEditText.ImeOptions = ImeAction.Done;
 			UpdatePlaceholderText();
 
 			return _textInputLayout;

Xamarin.Forms.Platform.Android/Renderers/EditorRenderer.cs

@@ -10,6 +10,7 @@ using Android.Util;
 using Android.Views;
 using Java.Lang;
 using Android.Widget;
+using Android.Views.InputMethods;
 
 namespace Xamarin.Forms.Platform.Android
 {
@@ -31,7 +32,10 @@ namespace Xamarin.Forms.Platform.Android
 
 		protected override FormsEditText CreateNativeControl()
 		{
-			return new FormsEditText(Context);
+			return new FormsEditText(Context)
+			{
+				ImeOptions = ImeAction.Done
+			};
 		}
 
 		protected override EditText EditText => Control;