Fix device admin access with permission checks.

Plus a handful of other fixes.

Fixes: 271818883

Test: btest a.d.c.LockTest -c yes
Test: btest a.d.c.WipeDataTest -c yes
Change-Id: I4a7c8c5393c5f3e9e9799684b7eccb387dc943cc

core/java/android/app/admin/DevicePolicyManager.java

@@ -6413,7 +6413,7 @@ public class DevicePolicyManager {
     public void lockNow(@LockNowFlag int flags) {
         if (mService != null) {
             try {
-                mService.lockNow(flags, mParentInstance);
+                mService.lockNow(flags, mContext.getPackageName(), mParentInstance);
             } catch (RemoteException e) {
                 throw e.rethrowFromSystemServer();
             }

core/java/android/app/admin/IDevicePolicyManager.aidl

@@ -119,7 +119,7 @@ interface IDevicePolicyManager {
     void setRequiredStrongAuthTimeout(in ComponentName who, String callerPackageName, long timeMs, boolean parent);
     long getRequiredStrongAuthTimeout(in ComponentName who, int userId, boolean parent);
 
-    void lockNow(int flags, boolean parent);
+    void lockNow(int flags, String callerPackageName, boolean parent);
 
     /**
     * @param factoryReset only applicable when `targetSdk >= U`, either tries to factoryReset/fail or removeUser/fail otherwise