diff --git a/Android.bp b/Android.bp
index 0c08119..9c2b471 100644
--- a/Android.bp
+++ b/Android.bp
@@ -686,12 +686,10 @@
         "--hide CallbackInterface",
         "--hide DeprecationMismatch",
         "--hide HiddenSuperclass",
-        "--hide HiddenTypeParameter",
         "--hide MissingPermission",
         "--hide RequiresPermission",
         "--hide SdkConstant",
         "--hide Todo",
-        "--hide UnavailableSymbol",
         "--hide-package android.audio.policy.configuration.V7_0",
         "--hide-package com.android.server",
         "--manifest $(location :frameworks-base-core-AndroidManifest.xml)",
diff --git a/services/core/java/com/android/server/pm/OtaDexoptService.java b/services/core/java/com/android/server/pm/OtaDexoptService.java
index 6a2ddc8..ea082cf 100644
--- a/services/core/java/com/android/server/pm/OtaDexoptService.java
+++ b/services/core/java/com/android/server/pm/OtaDexoptService.java
@@ -159,6 +159,9 @@
             if (pkgSetting.getPkg().isCoreApp()) {
                 throw new IllegalStateException("Found a core app that's not important");
             }
+            // Use REASON_FIRST_BOOT to query "pm.dexopt.first-boot" for the compiler filter, but
+            // the reason itself won't make it into the actual compiler reason because it will be
+            // overridden in otapreopt.cpp.
             mDexoptCommands.addAll(generatePackageDexopts(pkgSetting.getPkg(), pkgSetting,
                     PackageManagerService.REASON_FIRST_BOOT));
         }
diff --git a/services/core/java/com/android/server/wm/DisplayContent.java b/services/core/java/com/android/server/wm/DisplayContent.java
index 7addaa2..1c8770b 100644
--- a/services/core/java/com/android/server/wm/DisplayContent.java
+++ b/services/core/java/com/android/server/wm/DisplayContent.java
@@ -4668,6 +4668,17 @@
             scheduleAnimation();
 
             mWmService.mH.post(() -> InputMethodManagerInternal.get().onImeParentChanged());
+        } else if (mImeControlTarget != null && mImeControlTarget == mImeLayeringTarget) {
+            // Even if the IME surface parent is not changed, the layer target belonging to the
+            // parent may have changes. Then attempt to reassign if the IME control target is
+            // possible to be the relative layer.
+            final SurfaceControl lastRelativeLayer = mImeWindowsContainer.getLastRelativeLayer();
+            if (lastRelativeLayer != mImeLayeringTarget.mSurfaceControl) {
+                assignRelativeLayerForIme(getSyncTransaction(), false /* forceUpdate */);
+                if (lastRelativeLayer != mImeWindowsContainer.getLastRelativeLayer()) {
+                    scheduleAnimation();
+                }
+            }
         }
     }
 
diff --git a/services/core/java/com/android/server/wm/WindowContainer.java b/services/core/java/com/android/server/wm/WindowContainer.java
index 0152666..4cab3a2 100644
--- a/services/core/java/com/android/server/wm/WindowContainer.java
+++ b/services/core/java/com/android/server/wm/WindowContainer.java
@@ -2635,6 +2635,10 @@
         return mLastLayer;
     }
 
+    SurfaceControl getLastRelativeLayer() {
+        return mLastRelativeToLayer;
+    }
+
     protected void setRelativeLayer(Transaction t, SurfaceControl relativeTo, int layer) {
         if (mSurfaceFreezer.hasLeash()) {
             // When the freezer has created animation leash parent for the window, set the layer
diff --git a/services/tests/wmtests/src/com/android/server/wm/ZOrderingTests.java b/services/tests/wmtests/src/com/android/server/wm/ZOrderingTests.java
index 3ec6f42..973ab84 100644
--- a/services/tests/wmtests/src/com/android/server/wm/ZOrderingTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/ZOrderingTests.java
@@ -448,7 +448,6 @@
         mDisplayContent.updateImeParent();
 
         // Ime should on top of the popup IME layering target window.
-        mDisplayContent.assignChildLayers(mTransaction);
         assertWindowHigher(mImeWindow, popupImeTargetWin);
     }