Remove pixel insets for feed header menu button IPH

These are not needed.

Bug: 1085601
Change-Id: I57acbfb94a0a4fd7f56e2429b543d1b4f3c1bf54
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2387412Reviewed-by: Ian Wells <iwells@chromium.org>
Commit-Queue: Vincent Boisselle <vincb@google.com>
Cr-Commit-Position: refs/heads/master@{#803725}

chrome/android/java/src/org/chromium/chrome/browser/ntp/snippets/SectionHeaderView.java

@@ -135,7 +135,7 @@ public class SectionHeaderView extends LinearLayout implements View.OnClickListe
                                       .setCircleHighlight(true)
                                       .setShouldHighlight(true)
                                       .setDismissOnTouch(false)
-                                      .setInsetRect(new Rect(0, -1, 0, -1))
+                                      .setInsetRect(new Rect(0, 0, 0, 0))
                                       .setAutoDismissTimeout(5 * 1000)
                                       .setViewRectProvider(rectProvider)
                                       .build());