Mark flaky wear test testActiveScreenshot

Bug: 259980310
Test: N/A
Change-Id: I82b28cf0bfdb4751c356dee09a15b1a6ed7cf822

diff --git a/wear/watchface/watchface/src/androidTest/java/androidx/wear/watchface/test/WatchFaceServiceImageTest.kt b/wear/watchface/watchface/src/androidTest/java/androidx/wear/watchface/test/WatchFaceServiceImageTest.kt
index 7ce080b..135c472 100644
--- a/wear/watchface/watchface/src/androidTest/java/androidx/wear/watchface/test/WatchFaceServiceImageTest.kt
+++ b/wear/watchface/watchface/src/androidTest/java/androidx/wear/watchface/test/WatchFaceServiceImageTest.kt

@@ -38,6 +38,7 @@
 import androidx.annotation.RequiresApi
 import androidx.test.core.app.ApplicationProvider
 import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.FlakyTest
 import androidx.test.filters.MediumTest
 import androidx.test.screenshot.AndroidXScreenshotTestRule
 import androidx.test.screenshot.assertAgainstGolden
@@ -408,6 +409,7 @@
         }
     }
 
+    @FlakyTest(bugId = 259980310)
     @Test
     public fun testActiveScreenshot() {
         handler.post(this::initCanvasWatchFace)