Removing post submit only rule

Now that FolderIconLoadTest is no longer flakey we can remove the post submit only test stability rule and allow the tests to be run in presubmit.

Flag: None
Bug: b/319923578
Test: FolderIconLoadTest.kt
Change-Id: I115193dfef855fedbc204d0cc9d3a908b56f8eec
diff --git a/tests/src/com/android/launcher3/model/FolderIconLoadTest.kt b/tests/src/com/android/launcher3/model/FolderIconLoadTest.kt
index 2e209a4..c4a4c9b 100644
--- a/tests/src/com/android/launcher3/model/FolderIconLoadTest.kt
+++ b/tests/src/com/android/launcher3/model/FolderIconLoadTest.kt
@@ -24,13 +24,11 @@
 import com.android.launcher3.util.LauncherModelHelper
 import com.android.launcher3.util.LauncherModelHelper.*
 import com.android.launcher3.util.TestUtil
-import com.android.launcher3.util.rule.TestStabilityRule
 import com.google.common.truth.Truth.assertThat
 import com.google.common.truth.Truth.assertWithMessage
 import java.util.concurrent.CountDownLatch
 import org.junit.After
 import org.junit.Before
-import org.junit.Rule
 import org.junit.Test
 import org.junit.runner.RunWith
 
@@ -58,8 +56,6 @@
             TEST_ACTIVITY14
         )
 
-    @get:Rule(order = 0) val testStabilityRule = TestStabilityRule()
-
     @Before
     fun setUp() {
         modelHelper = LauncherModelHelper()
@@ -91,9 +87,6 @@
 
     @Test
     @Throws(Exception::class)
-    @TestStabilityRule.Stability(
-        flavors = TestStabilityRule.LOCAL or TestStabilityRule.PLATFORM_POSTSUBMIT
-    ) // b/319923578
     fun folderLoadedWithHighRes_max_3x3() {
         val idp = LauncherAppState.getIDP(modelHelper.sandboxContext)
         idp.numFolderColumns = intArrayOf(3, 3, 3, 3)
@@ -107,9 +100,6 @@
 
     @Test
     @Throws(Exception::class)
-    @TestStabilityRule.Stability(
-        flavors = TestStabilityRule.LOCAL or TestStabilityRule.PLATFORM_POSTSUBMIT
-    ) // b/319923578
     fun folderLoadedWithHighRes_max_4x4() {
         val idp = LauncherAppState.getIDP(modelHelper.sandboxContext)
         idp.numFolderColumns = intArrayOf(4, 4, 4, 4)
@@ -123,10 +113,6 @@
 
     @Test
     @Throws(Exception::class)
-    // Stress tests are long. We permanently demote them from presubmit to match the presubmit SLO.
-    @TestStabilityRule.Stability(
-        flavors = TestStabilityRule.LOCAL or TestStabilityRule.PLATFORM_POSTSUBMIT
-    ) // b/319923578
     fun folderLoadedWithHighRes_differentFolderConfigurations() {
         val idp = LauncherAppState.getIDP(modelHelper.sandboxContext)
         idp.numFolderColumns = intArrayOf(4, 3, 4, 4)