Expose FCMInvalidations to Java

We've observed some tests CHECK-failing with:
[FATAL:chrome_feature_list.cc(185)] Check failed: false. Queried feature cannot be found in ChromeFeatureList: FCMInvalidations

Since we have plans to expose this feature to Java anyway, let's keep
existing tests happy by exposing the feature to Java.

Bug: 879246
Change-Id: Ie148a8d31a5d93a700a569090f7c4a6b3d27194b
Reviewed-on: https://chromium-review.googlesource.com/c/1296592
Reviewed-by: Tatiana Gornak <[email protected]>
Reviewed-by: Pavel Yatsuk <[email protected]>
Commit-Queue: Mikel Astiz <[email protected]>
Cr-Commit-Position: refs/heads/master@{#602003}
diff --git a/chrome/browser/BUILD.gn b/chrome/browser/BUILD.gn
index 4883fe06..f8b058c 100644
--- a/chrome/browser/BUILD.gn
+++ b/chrome/browser/BUILD.gn
@@ -2540,6 +2540,7 @@
       "//components/embedder_support/android:web_contents_delegate",
       "//components/feed:buildflags",
       "//components/feed:feature_list",
+      "//components/invalidation/impl:feature_list",
       "//components/language/android:language_bridge",
       "//components/payments/content/android",
       "//components/resources:components_resources",