Mark MediaTest tests as flaky

Bug:1098806

Tbr: dominickn@chromium.org
Change-Id: I85a5d9fe282450d466c8942adfbee70d03347f90
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2264617Reviewed-by: Patrick Noland <pnoland@chromium.org>
Commit-Queue: Patrick Noland <pnoland@chromium.org>
Cr-Commit-Position: refs/heads/master@{#781941}

chrome/android/javatests/src/org/chromium/chrome/browser/permissions/MediaTest.java

@@ -13,6 +13,7 @@ import org.junit.runner.RunWith;
 
 import org.chromium.base.test.util.CommandLineFlags;
 import org.chromium.base.test.util.Feature;
+import org.chromium.base.test.util.FlakyTest;
 import org.chromium.chrome.browser.flags.ChromeSwitches;
 import org.chromium.chrome.browser.permissions.PermissionTestRule.PermissionUpdateWaiter;
 import org.chromium.chrome.browser.tab.Tab;
@@ -57,6 +58,7 @@ public class MediaTest {
     @MediumTest
     @Feature({"MediaPermissions", "Main"})
     @CommandLineFlags.Add({FAKE_DEVICE})
+    @FlakyTest
     public void testMicrophoneMediaPermissionsPlumbingDialog() throws Exception {
         testMediaPermissionsPlumbing("Mic count:", "initiate_getMicrophone()", 1, true, true);
     }
@@ -70,6 +72,7 @@ public class MediaTest {
     @MediumTest
     @Feature({"MediaPermissions", "Main"})
     @CommandLineFlags.Add({FAKE_DEVICE})
+    @FlakyTest
     public void testCameraPermissionsPlumbingDialog() throws Exception {
         testMediaPermissionsPlumbing("Camera count:", "initiate_getCamera()", 1, false, true);
     }
@@ -83,6 +86,7 @@ public class MediaTest {
     @MediumTest
     @Feature({"MediaPermissions", "Main"})
     @CommandLineFlags.Add({FAKE_DEVICE})
+    @FlakyTest
     public void testCombinedPermissionsPlumbingDialog() throws Exception {
         testMediaPermissionsPlumbing("Combined count:", "initiate_getCombined()", 1, true, true);
     }