Fix the dependency of TVUnitTests which is a device test and should depend on mockito-target instead of mockito-robolectric-prebuilt.

See the bug for more details.

Bug: 309878241
Test: acloud create --build-target cf_x86_tv_gtv-trunk_staging-userdebug && atest TVUnitTests
Change-Id: Iad01967330fea74d537cd260b8e9e3bf492c1577
diff --git a/tests/Android.bp b/tests/Android.bp
index 50f2f71..f09cbfb 100644
--- a/tests/Android.bp
+++ b/tests/Android.bp
@@ -27,7 +27,7 @@
     srcs: ["unit/src/**/*.java"],
     static_libs: [
         "androidx.test.runner",
-        "mockito-robolectric-prebuilt",
+        "mockito-target",
         "tv-test-common",
     ],
     libs: [