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/core/tests/coretests/src/android/view/textclassifier/ActionsSuggestionsHelperTest.java:241: 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/core/tests/systemproperties/src/android/os/SystemPropertiesTest.java:97: error: [JUnit3TestNotRun] Test method will not be run; please correct method signature (Should be public, non-static, and method name should begin with "test").
frameworks/base/services/tests/servicestests/src/com/android/server/backup/utils/FileUtilsTest.java:64: error: [CheckReturnValue] Ignored return value of method that is annotated with @CheckReturnValue
frameworks/base/services/tests/servicestests/src/com/android/server/backup/utils/FileUtilsTest.java:68: error: [CheckReturnValue] Ignored return value of method that is annotated with @CheckReturnValue
frameworks/base/services/tests/servicestests/src/com/android/server/backup/utils/FileUtilsTest.java:78: error: [CheckReturnValue] Ignored return value of method that is annotated with @CheckReturnValue
frameworks/base/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecLocalDeviceAudioSystemTest.java:533: 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/services/tests/servicestests/src/com/android/server/locksettings/LockSettingsStorageTests.java:480: 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/services/tests/servicestests/src/com/android/server/locksettings/LockSettingsStorageTests.java:491: 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/services/tests/uiservicestests/src/com/android/server/notification/NotificationManagerServiceTest.java:4196: 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: I829373d41c97962fe2122ea74cef12ba342ac33c
Merged-In: I829373d41c97962fe2122ea74cef12ba342ac33c
diff --git a/services/tests/servicestests/src/com/android/server/backup/utils/FileUtilsTest.java b/services/tests/servicestests/src/com/android/server/backup/utils/FileUtilsTest.java
index eaa9c45..d54aa3b 100644
--- a/services/tests/servicestests/src/com/android/server/backup/utils/FileUtilsTest.java
+++ b/services/tests/servicestests/src/com/android/server/backup/utils/FileUtilsTest.java
@@ -27,7 +27,6 @@
 
 import org.junit.AfterClass;
 import org.junit.Before;
-import org.junit.BeforeClass;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
@@ -41,11 +40,6 @@
     private static File sTemporaryDir;
     private File mTemporaryFile;
 
-    @BeforeClass
-    public static void setUpClass() {
-        sTemporaryDir = Files.createTempDir();
-    }
-
     @AfterClass
     public static void tearDownClass() {
         if (sTemporaryDir != null) {
@@ -55,17 +49,21 @@
 
     @Before
     public void setUp() throws Exception {
+        if (sTemporaryDir != null) {
+            sTemporaryDir.delete();
+        }
+        sTemporaryDir = Files.createTempDir();
         mTemporaryFile = new File(sTemporaryDir, "fileutilstest.txt");
     }
 
     /** Test that if file does not exist, {@link FileUtils#createNewFile()} creates the file. */
     @Test
     public void testEnsureFileExists_fileDoesNotAlreadyExist_getsCreated() {
-        assertThat(!mTemporaryFile.exists());
+        assertThat(mTemporaryFile.exists()).isFalse();
 
         FileUtils.createNewFile(mTemporaryFile);
 
-        assertThat(mTemporaryFile.exists());
+        assertThat(mTemporaryFile.exists()).isTrue();
     }
 
     /** Test that if file does exist, {@link FileUtils#createNewFile()} does not error out. */
@@ -75,6 +73,6 @@
 
         FileUtils.createNewFile(mTemporaryFile);
 
-        assertThat(mTemporaryFile.exists());
+        assertThat(mTemporaryFile.exists()).isTrue();
     }
 }
diff --git a/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecLocalDeviceAudioSystemTest.java b/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecLocalDeviceAudioSystemTest.java
index a89198a..1638329 100644
--- a/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecLocalDeviceAudioSystemTest.java
+++ b/services/tests/servicestests/src/com/android/server/hdmi/HdmiCecLocalDeviceAudioSystemTest.java
@@ -530,6 +530,7 @@
         assertThat(mNativeWrapper.getOnlyResultMessage()).isEqualTo(expectedMessage);
     }
 
+    @Test
     public void handleSystemAudioModeRequest_fromNonTV_tVNotSupport() {
         HdmiCecMessage message =
                 HdmiCecMessageBuilder.buildSystemAudioModeRequest(
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/LockSettingsStorageTests.java b/services/tests/servicestests/src/com/android/server/locksettings/LockSettingsStorageTests.java
index a1f423e..ab9b39c 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/LockSettingsStorageTests.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/LockSettingsStorageTests.java
@@ -477,6 +477,7 @@
         assertEquals(2, PersistentData.TYPE_SP_WEAVER);
     }
 
+    @Test
     public void testCredentialHash_serializeUnserialize() {
         byte[] serialized = CredentialHash.create(
                 PAYLOAD, LockPatternUtils.CREDENTIAL_TYPE_PASSWORD).toBytes();
@@ -488,6 +489,7 @@
         assertFalse(deserialized.isBaseZeroPattern);
     }
 
+    @Test
     public void testCredentialHash_unserialize_versionGatekeeper() {
         // This test ensures that we can read serialized VERSION_GATEKEEPER CredentialHashes
         // even if we change the wire format in the future.