Fix Error Prone errors

Soong wasn't including android_app or android_test sources in the
javac-check target used for the Error Prone build, which allowed
some Error Prone errors to get in.  Fix them so Error Prone can be
re-enabled for these targets.

Fixes:
frameworks/base/media/tests/MediaRouter/src/com/android/mediaroutertest/MediaRouterManagerTest.java:207: error: [JUnit4TestNotRun] This looks like a test method but is not run; please add @Test and @Ignore, or, if this is a helper method, reduce its visibility.
frameworks/base/media/tests/MediaRouter/src/com/android/mediaroutertest/MediaRouterManagerTest.java:239: error: [JUnit4TestNotRun] This looks like a test method but is not run; please add @Test and @Ignore, or, if this is a helper method, reduce its visibility.
frameworks/base/media/tests/MediaRouter/src/com/android/mediaroutertest/MediaRouterManagerTest.java:267: error: [JUnit4TestNotRun] This looks like a test method but is not run; please add @Test and @Ignore, or, if this is a helper method, reduce its visibility.
frameworks/base/media/tests/MediaRouter/src/com/android/mediaroutertest/MediaRouterManagerTest.java:304: error: [JUnit4TestNotRun] This looks like a test method but is not run; please add @Test and @Ignore, or, if this is a helper method, reduce its visibility.

Bug: 146455923
Test: m RUN_ERROR_PRONE=true javac-check
Change-Id: I56443e2fefafd6a354fcefc209643d435bfc394c

media/tests/MediaRouter/src/com/android/mediaroutertest/MediaRouterManagerTest.java

@@ -37,6 +37,7 @@ import android.text.TextUtils;
 
 import org.junit.After;
 import org.junit.Before;
+import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
@@ -202,8 +203,10 @@ public class MediaRouterManagerTest {
      * Tests if MR2.Callback.onRouteSelected is called when a route is selected from MR2Manager.
      *
      * TODO: Change this test so that this test check whether the route is added in a session.
-     *       Until then, temporailiy removing @Test annotation.
+     *       Until then, temporailiy marking @Ignore
      */
+    @Test
+    @Ignore
     public void testRouterOnRouteSelected() throws Exception {
         Map<String, MediaRoute2Info> routes = waitAndGetRoutesWithManager(CATEGORIES_ALL);
 
@@ -235,7 +238,8 @@ public class MediaRouterManagerTest {
      * Tests if MR2Manager.Callback.onRouteSelected is called
      * when a route is selected by MR2Manager.
      */
-    //TODO: test session created callback instead of onRouteSelected
+    @Test
+    @Ignore("TODO: test session created callback instead of onRouteSelected")
     public void testManagerOnRouteSelected() throws Exception {
         CountDownLatch latch = new CountDownLatch(1);
         Map<String, MediaRoute2Info> routes = waitAndGetRoutesWithManager(CATEGORIES_ALL);
@@ -263,7 +267,8 @@ public class MediaRouterManagerTest {
         }
     }
 
-    //TODO: enable this when "releasing session" is implemented
+    @Test
+    @Ignore("TODO: enable this when 'releasing session' is implemented")
     public void testGetActiveRoutes() throws Exception {
         CountDownLatch latch = new CountDownLatch(1);
 
@@ -300,7 +305,8 @@ public class MediaRouterManagerTest {
     /**
      * Tests selecting and unselecting routes of a single provider.
      */
-    //TODO: @Test when session is released
+    @Test
+    @Ignore("TODO: enable when session is released")
     public void testSingleProviderSelect() throws Exception {
         Map<String, MediaRoute2Info> routes = waitAndGetRoutesWithManager(CATEGORIES_ALL);
         addRouterCallback(new RouteCallback());