CameraService: Check if the camera is disabled via device policy by user.

The current approach to checking the camera device policy is multi-user
agnostic. This patch takes the user into account.

Test: Tested GCA with device policy set via TestDPC
Bug: 230026863
Change-Id: I3937f75ebfc219906a3c379b6b4cfacd801a40bf
diff --git a/services/camera/libcameraservice/CameraService.cpp b/services/camera/libcameraservice/CameraService.cpp
index a2e7f7e..bc8981e 100644
--- a/services/camera/libcameraservice/CameraService.cpp
+++ b/services/camera/libcameraservice/CameraService.cpp
@@ -1712,7 +1712,13 @@
         return STATUS_ERROR(ERROR_ILLEGAL_ARGUMENT, msg.string());
     }
 
-    if (mCameraServiceProxyWrapper->isCameraDisabled()) {
+    userid_t clientUserId = multiuser_get_user_id(clientUid);
+    int callingUid = CameraThreadState::getCallingUid();
+    if (clientUid == USE_CALLING_UID) {
+        clientUserId = multiuser_get_user_id(callingUid);
+    }
+
+    if (mCameraServiceProxyWrapper->isCameraDisabled(clientUserId)) {
         String8 msg =
                 String8::format("Camera disabled by device policy");
         ALOGE("%s: %s", __FUNCTION__, msg.string());