Rename VirtManager to VirtualizationService.

Bug: 188042280
Test: atest VirtualizationTestCases
Change-Id: Ia46a0dda923cb30382cbcba64aeb569685041d2b
diff --git a/private/service_contexts b/private/service_contexts
index 3357943..b410b18 100644
--- a/private/service_contexts
+++ b/private/service_contexts
@@ -71,7 +71,7 @@
 carrier_config                            u:object_r:radio_service:s0
 clipboard                                 u:object_r:clipboard_service:s0
 com.android.net.IProxyService             u:object_r:IProxyService_service:s0
-android.system.virtmanager                u:object_r:virtualization_service:s0
+android.system.virtualizationservice      u:object_r:virtualization_service:s0
 companiondevice                           u:object_r:companion_device_service:s0
 platform_compat                           u:object_r:platform_compat_service:s0
 platform_compat_native                    u:object_r:platform_compat_service:s0