Add prop to configure importantForAutofill. (#22763)

Summary:
In API 26, autofill framework was introduced in Android.
Read more about Autofill at https://developer.android.com/guide/topics/text/autofill.

Now, if in case for some text input if developer wants to disable
autofill then he can take help from this `importantForAutoFill` prop
and pass `no` to it.

Also important of auto fill can be configured with this prop, like:
* `auto`: Let the Android System use its heuristics to determine if the view is important for autofill.
* `no`: This view isn't important for autofill.
* `noExcludeDescendants`: This view and its children aren't important for autofill.
* `yes`: This view is important for autofill.
* `yesExcludeDescendants`: This view is important for autofill, but its children aren't important for autofill.

Default value if `auto`.

Read more at: https://developer.android.com/guide/topics/text/autofill-optimize

Changelog:
----------
[Android] [Added] - Add prop to configure `importantForAutofill` in `TextInput`.
Pull Request resolved: #22763

Differential Revision: D14121242

Pulled By: cpojer

fbshipit-source-id: aa4360480dd19f6dde66f0409d26a41a6a318c94

Author: jainkuniya

Libraries/Components/TextInput/TextInput.js

@@ -245,6 +245,13 @@ type AndroidProps = $ReadOnly<{|
   underlineColorAndroid?: ?ColorValue,
   inlineImageLeft?: ?string,
   inlineImagePadding?: ?number,
+  importantForAutofill?: ?(
+    | 'auto'
+    | 'no'
+    | 'noExcludeDescendants'
+    | 'yes'
+    | 'yesExcludeDescendants'
+  ),
 |}>;
 
 type Props = $ReadOnly<{|

ReactAndroid/src/main/java/com/facebook/react/views/textinput/ReactTextInputManager.java

@@ -10,6 +10,7 @@
 import android.graphics.PorterDuff;
 import android.graphics.Typeface;
 import android.graphics.drawable.Drawable;
+import android.os.Build;
 import android.support.v4.content.ContextCompat;
 import android.text.Editable;
 import android.text.InputFilter;
@@ -280,6 +281,24 @@ public void setSelection(ReactEditText view, @Nullable ReadableMap selection) {
     }
   }
 
+  @ReactProp(name = "importantForAutofill")
+  public void setImportantForAutofill(ReactEditText view, @Nullable String value) {
+    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
+      return;
+    }
+    int mode = View.IMPORTANT_FOR_AUTOFILL_AUTO;
+    if ("no".equals(value)) {
+      mode = View.IMPORTANT_FOR_AUTOFILL_NO;
+    } else if ("noExcludeDescendants".equals(value)) {
+      mode = View.IMPORTANT_FOR_AUTOFILL_NO_EXCLUDE_DESCENDANTS;
+    } else if ("yes".equals(value)) {
+      mode = View.IMPORTANT_FOR_AUTOFILL_YES;
+    } else if ("yesExcludeDescendants".equals(value)) {
+      mode = View.IMPORTANT_FOR_AUTOFILL_YES_EXCLUDE_DESCENDANTS;
+    }
+    view.setImportantForAutofill(mode);
+  }
+
   @ReactProp(name = "onSelectionChange", defaultBoolean = false)
   public void setOnSelectionChange(final ReactEditText view, boolean onSelectionChange) {
     if (onSelectionChange) {