Also set the Overlay Presentation Context container view for relayouts

The container's frame was only being set with the Overlays flag off.

Bug: 1225717
Change-Id: I9ff539e7bf6589010b49bfecea96f4b25b96005b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2995311
Commit-Queue: Chris Lu <thegreenfrog@chromium.org>
Reviewed-by: Sergio Collazos <sczs@chromium.org>
Cr-Commit-Position: refs/heads/master@{#897887}

Author: Chris Lu

ios/chrome/browser/ui/infobars/presentation/infobar_banner_presentation_controller.mm

@@ -129,6 +129,7 @@ - (void)containerViewWillLayoutSubviews {
       std::fabs(newFrame.size.width - bannerView.frame.size.width) >
           kMinimumSizeChange) {
     bannerView.frame = newFrame;
+    containerView.frame = newFrame;
     self.needsLayout = YES;
   }