Revert "[NTP tiles] Don't enable homepage tile if home page url is google.com."

This reverts commit ef042f5e.

Reason for revert: We don't want to skip pinning google.com as tile, per discussion with nickrad@.

Original change's description:
> [NTP tiles] Don't enable homepage tile if home page url is google.com.
> 
> Homepage tile should not be added to Most Visited tiles if the homepage
> url is google.com.
> 
> Bug: 862786
> Change-Id: Icb42ce4fb5f0c26bece80b7a7dd82bfd8526bcb2
> Reviewed-on: https://chromium-review.googlesource.com/1152298
> Reviewed-by: Theresa <twellington@chromium.org>
> Commit-Queue: Yafei Duan <romax@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#578788}

TBR=twellington@chromium.org,romax@chromium.org

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: 862786
Change-Id: Ifca7d377d5b3ff527cddbecafc63b3909c41cd53
Reviewed-on: https://chromium-review.googlesource.com/1157385Reviewed-by: Yafei Duan <romax@chromium.org>
Commit-Queue: Yafei Duan <romax@chromium.org>
Cr-Commit-Position: refs/heads/master@{#579620}

chrome/android/java/src/org/chromium/chrome/browser/suggestions/MostVisitedSitesBridge.java

@@ -12,7 +12,6 @@ import org.chromium.chrome.browser.ntp.NewTabPage;
 import org.chromium.chrome.browser.partnercustomizations.HomepageManager;
 import org.chromium.chrome.browser.profiles.Profile;
 import org.chromium.chrome.browser.util.FeatureUtilities;
-import org.chromium.chrome.browser.util.UrlUtilities;
 
 import java.util.ArrayList;
 import java.util.Date;
@@ -50,7 +49,6 @@ public class MostVisitedSitesBridge
                 public boolean isHomepageTileEnabled() {
                     return HomepageManager.isHomepageEnabled()
                             && !NewTabPage.isNTPUrl(getHomepageUrl())
-                            && !UrlUtilities.nativeIsGoogleHomePageUrl(getHomepageUrl())
                             && !TextUtils.isEmpty(HomepageManager.getHomepageUri());
                 }