Avoid unnecessary copies in updateInputFlinger

Lambda capture values are const by default, preventing a move from occurring despite using std::move. Declaring the lambda "mutable" fixes this.

Bug: 352744079
Flag: EXEMPT refactor
Test: presubmits
Change-Id: I322e8a6c85c810cc90669d043c4f72feb57a97ae

Author: patrickdwilliams

services/surfaceflinger/SurfaceFlinger.cpp

@@ -4021,7 +4021,8 @@ void SurfaceFlinger::updateInputFlinger(VsyncId vsyncId, TimePoint frameTime) {
                                                       inputWindowCommands =
                                                               std::move(mInputWindowCommands),
                                                       inputFlinger = mInputFlinger, this,
-                                                      visibleWindowsChanged, vsyncId, frameTime]() {
+                                                      visibleWindowsChanged, vsyncId,
+                                                      frameTime]() mutable {
         SFTRACE_NAME("BackgroundExecutor::updateInputFlinger");
         if (updateWindowInfo) {
             mWindowInfosListenerInvoker