Android: Add lint suppression for GMSCore APIs

Chrome makes use of these APIs. Rather than adding @SuppressWarnings for
the RestrictedApi check for all classes that use these APIs, add a
chrome-specific suppression for just these ones that are false
positives.

Bug: 1139442
Change-Id: I95dbf4ed84908a12242e31b103386fecee88a128
Fixed: 1139442
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2487846
Auto-Submit: Peter Wen <wnwen@chromium.org>
Commit-Queue: Sam Maier <smaier@chromium.org>
Reviewed-by: Sam Maier <smaier@chromium.org>
Cr-Commit-Position: refs/heads/master@{#819426}

chrome/android/expectations/lint-suppressions.xml

@@ -135,6 +135,10 @@ Still reading?
   <issue id="PrivateApi" severity="ignore"/>
   <!-- Chrome is a system app. -->
   <issue id="ProtectedPermissions" severity="ignore"/>
+  <issue id="RestrictedApi">
+    <!-- Chrome uses these GMS core APIs. -->
+    <ignore regexp="is marked as internal and should not be accessed from apps"/>
+  </issue>
   <issue id="Recycle" severity="ignore"/>
   <issue id="Registered" severity="ignore"/>
   <issue id="ResourceAsColor" severity="ignore"/>