[Android] Disable failing TileGridLayoutTests

org.chromium.chrome.browser.suggestions.TileGridLayoutTest#testTileGridAppearance_Full
org.chromium.chrome.browser.suggestions.TileGridLayoutTest#testTileGridAppearance_Two
org.chromium.chrome.browser.suggestions.TileGridLayoutTest#testModernTileGridAppearance_Two
org.chromium.chrome.browser.suggestions.TileGridLayoutTest#testModernTileGridAppearance_Full

see crbug.com/771648.

BUG=771648

TBR=bauerb@chromium.org,dgn@chromium.org
NOTRY=true

Change-Id: I80223ea645ae25bf27e4152ca872b685ea80b816
Reviewed-on: https://chromium-review.googlesource.com/700894Reviewed-by: Tim Volodine <timvolodine@chromium.org>
Commit-Queue: Tim Volodine <timvolodine@chromium.org>
Cr-Commit-Position: refs/heads/master@{#506471}

chrome/android/javatests/src/org/chromium/chrome/browser/suggestions/TileGridLayoutTest.java

@@ -30,6 +30,7 @@ import org.junit.runner.RunWith;
 import org.chromium.base.ThreadUtils;
 import org.chromium.base.annotations.SuppressFBWarnings;
 import org.chromium.base.test.util.CommandLineFlags;
+import org.chromium.base.test.util.DisabledTest;
 import org.chromium.base.test.util.Feature;
 import org.chromium.base.test.util.Restriction;
 import org.chromium.base.test.util.RetryOnFailure;
@@ -145,7 +146,8 @@ public class TileGridLayoutTest {
     }
 
     @Test
-    @MediumTest
+    //@MediumTest
+    @DisabledTest(message = "crbug.com/771648")
     @Feature({"NewTabPage", "RenderTest"})
     @ChromeHome
     @Restriction(UiRestriction.RESTRICTION_TYPE_PHONE)
@@ -167,7 +169,8 @@ public class TileGridLayoutTest {
     }
 
     @Test
-    @MediumTest
+    //@MediumTest
+    @DisabledTest(message = "crbug.com/771648")
     @Feature({"NewTabPage", "RenderTest"})
     @ChromeHome(false)
     public void testTileGridAppearance_Full() throws IOException, InterruptedException {
@@ -188,7 +191,8 @@ public class TileGridLayoutTest {
     }
 
     @Test
-    @MediumTest
+    //@MediumTest
+    @DisabledTest(message = "crbug.com/771648")
     @RetryOnFailure
     @Feature({"NewTabPage", "RenderTest"})
     @ChromeHome
@@ -204,7 +208,8 @@ public class TileGridLayoutTest {
     }
 
     @Test
-    @MediumTest
+    //@MediumTest
+    @DisabledTest(message = "crbug.com/771648")
     @RetryOnFailure
     @Feature({"NewTabPage", "RenderTest"})
     @ChromeHome(false)