Replace android::dvr::BufferHubDefs with android::BufferHubDefs

New libraries in libui and bufferhub shall be using
android::BufferHubDefs instead of android::dvr::BufferHubDefs.

Bug: None
Test: atest AHardwareBufferTest BufferHubBuffer_test
BufferHubMetadata_test buffer_hub_queue_producer-test libgui_test
libsensor_test vrflinger_test buffer_hub-test buffer_hub_queue-test
dvr_buffer_queue-test dvr_api-test dvr_display-test
Test: in libui_test InputSurfacesTest are segfault on top of master already.

tested on Blueline and Vega

Change-Id: Ia755022c96147969a401ed32544082a8c76936a0
diff --git a/libs/ui/BufferHubBuffer.cpp b/libs/ui/BufferHubBuffer.cpp
index 36eaed9..1464e48 100644
--- a/libs/ui/BufferHubBuffer.cpp
+++ b/libs/ui/BufferHubBuffer.cpp
@@ -62,14 +62,14 @@
 // to use Binder.
 static constexpr char kBufferHubClientPath[] = "system/buffer_hub/client";
 
-using dvr::BufferHubDefs::AnyClientAcquired;
-using dvr::BufferHubDefs::AnyClientGained;
-using dvr::BufferHubDefs::AnyClientPosted;
-using dvr::BufferHubDefs::IsClientAcquired;
-using dvr::BufferHubDefs::IsClientGained;
-using dvr::BufferHubDefs::IsClientPosted;
-using dvr::BufferHubDefs::IsClientReleased;
-using dvr::BufferHubDefs::kHighBitsMask;
+using BufferHubDefs::AnyClientAcquired;
+using BufferHubDefs::AnyClientGained;
+using BufferHubDefs::AnyClientPosted;
+using BufferHubDefs::IsClientAcquired;
+using BufferHubDefs::IsClientGained;
+using BufferHubDefs::IsClientPosted;
+using BufferHubDefs::IsClientReleased;
+using BufferHubDefs::kHighBitsMask;
 
 } // namespace