Migrate mocking power tests

- Combine pms test with pms mocking test
  Since both classes mock anyway, it is simpler to combine them
- Remove line from owners for un-migrated tests
- Add necessary libraries to build.

Bug: 290764236
Test: atest PowerServiceTests
Change-Id: Iccc3e3910a1b0453e60703dd2db7f61d01588315
diff --git a/services/tests/powerservicetests/Android.bp b/services/tests/powerservicetests/Android.bp
index f6714a8..9384015 100644
--- a/services/tests/powerservicetests/Android.bp
+++ b/services/tests/powerservicetests/Android.bp
@@ -23,6 +23,10 @@
         "android.test.mock",
     ],
 
+    defaults: [
+        "modules-utils-testable-device-config-defaults",
+    ],
+
     platform_apis: true,
     test_suites: [
         "device-tests",