[Process] Update AppCompat version to 1.5 stable

PiperOrigin-RevId: 466964702
(cherry picked from commit 7f98ebc)

Author: drchen

build.gradle

@@ -25,7 +25,7 @@ ext {
 
   androidXVersions = [
     annotation            : '1.2.0',
-    appCompat             : '1.5.0-rc01', // To include SwitchCompat fixes
+    appCompat             : '1.5.0',
     cardView              : '1.0.0',
     constraintlayout      : '2.0.1',
     coordinatorlayout     : '1.1.0',