[Lacros] Add missing account_manager_core deps

Adds conditional deps on account_manager_core component to
chrome/browser and a couple of signin targets.

Bug: 1117472
Change-Id: I2da7233c3590f6c2208f5ebcfa7782a3b471a739
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2547583Reviewed-by: Roland Bock <rbock@google.com>
Reviewed-by: Kush Sinha <sinhak@chromium.org>
Commit-Queue: Boris Sazonov <bsazonov@chromium.org>
Cr-Commit-Position: refs/heads/master@{#830978}

chrome/browser/BUILD.gn

@@ -4573,6 +4573,7 @@ static_library("browser") {
       "//chromeos/crosapi/mojom",
       "//chromeos/lacros",
       "//chromeos/ui/frame",
+      "//components/account_manager_core",
     ]
   }
 

components/signin/public/identity_manager/BUILD.gn

@@ -130,6 +130,10 @@ source_set("unit_tests") {
   if (is_ios) {
     deps += [ "//components/signin/public/identity_manager/ios:test_support" ]
   }
+
+  if (is_chromeos_lacros) {
+    deps += [ "//components/account_manager_core" ]
+  }
 }
 
 source_set("test_support") {
@@ -160,4 +164,8 @@ source_set("test_support") {
     "//components/sync_preferences:test_support",
     "//testing/gtest",
   ]
+
+  if (is_chromeos_lacros) {
+    deps += [ "//components/account_manager_core" ]
+  }
 }