Don't perform config change if relayoutAsync

mPendingMergedConfiguration wouldn't be updated if we didn't call
IWindowSession#relayout.

Bug: 244003094
Test: atest ToggleDarkThemeMicrobenchmark#testToggle
Change-Id: Ibc2f40dd986136d9b54f3a7f491f7517489e05af

core/java/android/view/ViewRootImpl.java

@@ -3064,7 +3064,8 @@ public final class ViewRootImpl implements ViewParent,
                 // WindowManagerService has reported back a frame from a configuration not yet
                 // handled by the client. In this case, we need to accept the configuration so we
                 // do not lay out and draw with the wrong configuration.
-                if (!mPendingMergedConfiguration.equals(mLastReportedMergedConfiguration)) {
+                if (mRelayoutRequested
+                        && !mPendingMergedConfiguration.equals(mLastReportedMergedConfiguration)) {
                     if (DEBUG_CONFIGURATION) Log.v(mTag, "Visible with new config: "
                             + mPendingMergedConfiguration.getMergedConfiguration());
                     performConfigurationChange(new MergedConfiguration(mPendingMergedConfiguration),