QCamera2: Increase number of buffers for a stream

Currently HAL doesn't have the capability of unregistering
buffers on the fly. As a temporary measure, increase the
upper limit.

Bug: 17991622
Change-Id: I2cf6d4e045762c8d2667a8c97ad1ad5d0d56c4a8
diff --git a/camera/QCamera2/stack/common/cam_types.h b/camera/QCamera2/stack/common/cam_types.h
index 8e742df..19a28c1 100644
--- a/camera/QCamera2/stack/common/cam_types.h
+++ b/camera/QCamera2/stack/common/cam_types.h
@@ -35,7 +35,7 @@
 #include <inttypes.h>
 #include <media/msmb_camera.h>
 
-#define CAM_MAX_NUM_BUFS_PER_STREAM 24
+#define CAM_MAX_NUM_BUFS_PER_STREAM 64
 #define MAX_METADATA_PRIVATE_PAYLOAD_SIZE 1024
 
 #define CEILING64(X) (((X) + 0x0003F) & 0xFFFFFFC0)