Use old version of IGBP and bufferpool

The purpose of this CL is to make transitioning smoother. This CL
will be reverted later.

Test: Builds
Bug: 112362730
Change-Id: I65bf589facd0dda7a9af8b552eb795153dc1bd87
diff --git a/media/c2/1.0/IComponentStore.hal b/media/c2/1.0/IComponentStore.hal
index 6a57c38..a027afe 100644
--- a/media/c2/1.0/IComponentStore.hal
+++ b/media/c2/1.0/IComponentStore.hal
@@ -16,7 +16,7 @@
 
 package android.hardware.media.c2@1.0;
 
-import android.hardware.media.bufferpool@2.0::IClientManager;
+import android.hardware.media.bufferpool@1.0::IClientManager;
 import IComponentInterface;
 import IComponentListener;
 import IComponent;