Workaround missing lint-model issue in tv/samples

Adding lifecycle-viewmodel to missing lint model warning workaround.

Test: ./gradlew bOS
Change-Id: I5cd6698169a4a99c415aca842379fc2f4601956f

diff --git a/tv/samples/build.gradle b/tv/samples/build.gradle
index d7c3363..db524eb 100644
--- a/tv/samples/build.gradle
+++ b/tv/samples/build.gradle

@@ -58,5 +58,7 @@
                 using project(":lifecycle:lifecycle-runtime")
         substitute(module("androidx.lifecycle:lifecycle-runtime-ktx:")).
                 using project(":lifecycle:lifecycle-runtime-ktx")
+        substitute(module("androidx.lifecycle:lifecycle-viewmodel:")).
+                using project(":lifecycle:lifecycle-viewmodel")
     }
 }