Add watchos_device_arm64e CPU

PiperOrigin-RevId: 478914204
Change-Id: I0973c5a6a52f31ae8f54bf11a3b8780e1ddf8d89

Author: Googler

src/main/java/com/google/devtools/build/lib/rules/apple/ApplePlatform.java

@@ -48,7 +48,8 @@ public enum ApplePlatform implements ApplePlatformApi {
   private static final ImmutableSet<String> WATCHOS_SIMULATOR_TARGET_CPUS =
       ImmutableSet.of("watchos_i386", "watchos_x86_64", "watchos_arm64");
   private static final ImmutableSet<String> WATCHOS_DEVICE_TARGET_CPUS =
-      ImmutableSet.of("watchos_armv7k", "watchos_arm64_32", "watchos_device_arm64");
+      ImmutableSet.of(
+          "watchos_armv7k", "watchos_arm64_32", "watchos_device_arm64", "watchos_device_arm64e");
   private static final ImmutableSet<String> TVOS_SIMULATOR_TARGET_CPUS =
       ImmutableSet.of("tvos_x86_64", "tvos_sim_arm64");
   private static final ImmutableSet<String> TVOS_DEVICE_TARGET_CPUS =