Call GetTerminalId() rather than kCrostiniTerminalId

Change-Id: I7916349f118b26339462d9cafcb680ed1e983276
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2078516Reviewed-by: Nancy Wang <nancylingwang@chromium.org>
Commit-Queue: Joel Hockey <joelhockey@chromium.org>
Auto-Submit: Joel Hockey <joelhockey@chromium.org>
Cr-Commit-Position: refs/heads/master@{#745354}

chrome/browser/ui/ash/launcher/chrome_launcher_controller_unittest.cc

@@ -773,7 +773,7 @@ class ChromeLauncherControllerTest : public BrowserWithTestWindowTest {
             result += "Platform_App";
           } else if (app == arc_support_host_->id()) {
             result += "Play Store";
-          } else if (app == crostini::kCrostiniTerminalId) {
+          } else if (app == crostini::GetTerminalId()) {
             result += "Terminal";
           } else if (app == web_app_->id()) {
             result += "WebApp";