[Android] Switch instrumentation test names to their respective target names.

testing/buildbot/chromium.fyi.json

Index: testing/buildbot/chromium.fyi.json
diff --git a/testing/buildbot/chromium.fyi.json b/testing/buildbot/chromium.fyi.json
index d56bc68a45caee978c0bee1e67f6c13a6dce3bc8..943c39d425be93d3f2af48fe93ac2b767613462b 100644
--- a/testing/buildbot/chromium.fyi.json
+++ b/testing/buildbot/chromium.fyi.json
@@ -79,16 +79,16 @@
     ],
     "instrumentation_tests": [
       {
-        "test": "AndroidWebViewTest"
+        "test": "android_webview_test_apk"
       },
       {
-        "test": "ChromePublicTest"
+        "test": "chrome_public_test_apk"
       },
       {
-        "test": "ChromeSyncShellTest"
+        "test": "chrome_sync_shell_test_apk"
       },
       {
-        "test": "ContentShellTest"
+        "test": "content_shell_test_apk"
       }
     ]
   },