Update cookie bubble string about blocked cookies

Bug: 1022562
Change-Id: Ib3863135ea0b4cbb105b24ad89b9c7049b7f6e75
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1911199
Commit-Queue: Christian Dullweber <dullweber@chromium.org>
Reviewed-by: Huanzhong Huang <huanzhong@chromium.org>
Cr-Commit-Position: refs/heads/master@{#714776}

chrome/app/generated_resources.grd

@@ -2561,7 +2561,7 @@ are declared in tools/grit/grit_rule.gni.
         Some sites use third-party cookies to load their pages. If a site isn't working, you can try turning off cookie blocking.
       </message>
       <message name="IDS_COOKIE_CONTROLS_BLOCKED_MESSAGE" desc="Text shown in the dialog that allows users to control cookie blocking.">
-        Chrome is blocking cookies that can be used to track you across the web
+        Sites can’t use your browsing activity across different sites to personalize ads
       </message>
       <message name="IDS_COOKIE_CONTROLS_TOOLTIP" desc="Tooltip shown on a page action icon that is shown when cookie blocking is enabled.">
         Third-party cookie blocking