Back out "Remove useOverflowInset flag as we rolled out 100% to public for over three months"

Summary:
Original commit changeset: 77da78a29270

Original Phabricator Diff: D36990986 (https://github.com/facebook/react-native/commit/df80ed40c7cde6cf81a0974d78ef0a7cfcf19e5c)

Reviewed By: mdvacca

Differential Revision: D37074879

fbshipit-source-id: 82668c90d50b4cc6c53986aa9450eea7934402b3

ReactAndroid/src/main/java/com/facebook/react/uimanager/TouchTargetHelper.java

@@ -19,6 +19,7 @@ import android.view.ViewGroup;
 import androidx.annotation.Nullable;
 import com.facebook.react.bridge.JSApplicationIllegalArgumentException;
 import com.facebook.react.bridge.UiThreadUtil;
+import com.facebook.react.config.ReactFeatureFlags;
 import com.facebook.react.touch.ReactHitSlopView;
 import com.facebook.react.uimanager.common.ViewUtil;
 import java.util.ArrayList;
@@ -191,6 +192,7 @@ public class TouchTargetHelper {
           // If the touch point is outside of the overflowinset for the view, we can safely ignore
           // it.
           if (ViewUtil.getUIManagerType(view.getId()) == FABRIC
+              && ReactFeatureFlags.useOverflowInset
               && !isTouchPointInViewWithOverflowInset(eventCoords[0], eventCoords[1], view)) {
             return null;
           }