[Android] Add SigninPromoView

This CL adds signin_promo_view and SigninPromoView Java counterpart
that are necessary for new signin promos on Android. This view will
be wired-up in the following CLs.

Bug: 737743
Change-Id: If3c34fc48d6ab91eff5e03ab6de5e1101b3df693
Reviewed-on: https://chromium-review.googlesource.com/566678
Reviewed-by: Theresa <[email protected]>
Reviewed-by: Boris Sazonov <[email protected]>
Reviewed-by: Bernhard Bauer <[email protected]>
Commit-Queue: Iulia Harasim <[email protected]>
Cr-Commit-Position: refs/heads/master@{#487563}
diff --git a/chrome/android/java_sources.gni b/chrome/android/java_sources.gni
index a040b801..028a43f 100644
--- a/chrome/android/java_sources.gni
+++ b/chrome/android/java_sources.gni
@@ -1007,6 +1007,7 @@
   "java/src/org/chromium/chrome/browser/signin/SigninInvestigator.java",
   "java/src/org/chromium/chrome/browser/signin/SigninManager.java",
   "java/src/org/chromium/chrome/browser/signin/SigninPromoUtil.java",
+  "java/src/org/chromium/chrome/browser/signin/SigninPromoView.java",
   "java/src/org/chromium/chrome/browser/snackbar/BottomContainer.java",
   "java/src/org/chromium/chrome/browser/snackbar/DataReductionPromoSnackbarController.java",
   "java/src/org/chromium/chrome/browser/snackbar/DataUseSnackbarController.java",