Mark flaky chrome_public tests with @RetryOnFailure Batch 5

chrome/android/javatests/src/org/chromium/chrome/browser/signin/SigninHelperTest.java

Index: chrome/android/javatests/src/org/chromium/chrome/browser/signin/SigninHelperTest.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/signin/SigninHelperTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/signin/SigninHelperTest.java
index 3aa783669e4088642db6583b692014d6b092b716..f51391f894ad2b71afab067e2d35852c4db5459d 100644
--- a/chrome/android/javatests/src/org/chromium/chrome/browser/signin/SigninHelperTest.java
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/signin/SigninHelperTest.java
@@ -10,6 +10,7 @@ import android.test.suitebuilder.annotation.SmallTest;
 
 import org.chromium.base.test.util.AdvancedMockContext;
 import org.chromium.base.test.util.DisabledTest;
+import org.chromium.base.test.util.RetryOnFailure;
 import org.chromium.chrome.test.util.browser.signin.MockChangeEventChecker;
 import org.chromium.components.sync.signin.AccountManagerHelper;
 import org.chromium.components.sync.signin.ChromeSigninController;
@@ -35,6 +36,7 @@ public class SigninHelperTest extends InstrumentationTestCase {
     }
 
     @SmallTest
+    @RetryOnFailure
     public void testAccountsChangedPref() {
         assertEquals("Should never return true before the pref has ever been set.",
                 false, SigninHelper.checkAndClearAccountsChangedPref(mContext));
@@ -91,6 +93,7 @@ public class SigninHelperTest extends InstrumentationTestCase {
     }
 
     @SmallTest
+    @RetryOnFailure
     public void testNotSignedInAccountRename2() {
         setSignedInAccountName("A");
         mEventChecker.insertRenameEvent("B", "C");
@@ -100,6 +103,7 @@ public class SigninHelperTest extends InstrumentationTestCase {
     }
 
     @SmallTest
+    @RetryOnFailure
     public void testChainedAccountRename2() {
         setSignedInAccountName("A");
         mEventChecker.insertRenameEvent("Z", "Y"); // Unrelated.