Merge "Temporarily disable testBackgroundDexOptDowngradeSuccessful." am: f4daf63940 am: 6d8ee15a7a am: aa8aab06a2

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2448063

Change-Id: I6a6db0899290463cf9b9c7bfb84681d93368c48c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

tests/BackgroundDexOptServiceIntegrationTests/src/com/android/server/pm/BackgroundDexOptServiceIntegrationTests.java

@@ -31,6 +31,7 @@ import org.junit.After;
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.BeforeClass;
+import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
@@ -299,6 +300,8 @@ public final class BackgroundDexOptServiceIntegrationTests {
 
     // Test that background dexopt under low storage conditions downgrades unused packages.
     @Test
+    @Ignore("b/251438180: This test has been failing for a long time; temporarily disable it while"
+            + " we investigate this issue.")
     public void testBackgroundDexOptDowngradeSuccessful() throws IOException {
         // Should be more than DOWNGRADE_AFTER_DAYS.
         long deltaDays = DOWNGRADE_AFTER_DAYS + 1;