layers: GH1342, Correct objecttype in object_tracker

The IndirectCountAMD extension had the wrong object type specified
for validating its command buffers.

Change-Id: I36707455c6e59f9f0f8456b67b02a320fa4631fa
diff --git a/layers/object_tracker.cpp b/layers/object_tracker.cpp
index 8a47dd2..00d19f3 100644
--- a/layers/object_tracker.cpp
+++ b/layers/object_tracker.cpp
@@ -3955,7 +3955,7 @@
     bool skip_call = VK_FALSE;
     std::unique_lock<std::mutex> lock(global_lock);
     skip_call |=
-        ValidateObject(commandBuffer, commandBuffer, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, false, VALIDATION_ERROR_01771);
+        ValidateObject(commandBuffer, commandBuffer, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT, false, VALIDATION_ERROR_01771);
     skip_call |= ValidateObject(commandBuffer, buffer, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT, false, VALIDATION_ERROR_01772);
     lock.unlock();
     if (!skip_call) {
@@ -3970,7 +3970,7 @@
     bool skip_call = VK_FALSE;
     std::unique_lock<std::mutex> lock(global_lock);
     skip_call |=
-        ValidateObject(commandBuffer, commandBuffer, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, false, VALIDATION_ERROR_01783);
+        ValidateObject(commandBuffer, commandBuffer, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT, false, VALIDATION_ERROR_01783);
     skip_call |= ValidateObject(commandBuffer, buffer, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT, false, VALIDATION_ERROR_01784);
     lock.unlock();
     if (!skip_call) {