Elevate GPU priority of Launcher3Quickstep

Bug: 75985430
Change-Id: I4ac70c76db98b4ab666b0559f3185392142be045
diff --git a/proguard.flags b/proguard.flags
index 086337d..e9f6db4 100644
--- a/proguard.flags
+++ b/proguard.flags
@@ -107,6 +107,11 @@
     public <init>(...);
 }
 
+# MainProcessInitializer
+-keep class com.android.quickstep.QuickstepProcessInitializer {
+    public <init>(...);
+}
+
 -keep interface com.android.launcher3.userevent.nano.LauncherLogProto.** {
   *;
 }