Raise the amount of memory set aside for omx buffer allocations in the test harness to accomodate the new requirements of some codecs.

Change-Id: I73974a336852974e2fb95a9626c1a96f296449eb
diff --git a/media/libstagefright/omx/tests/OMXHarness.cpp b/media/libstagefright/omx/tests/OMXHarness.cpp
index fcf506d..4f28855 100644
--- a/media/libstagefright/omx/tests/OMXHarness.cpp
+++ b/media/libstagefright/omx/tests/OMXHarness.cpp
@@ -286,7 +286,7 @@
         return OK;
     }
 
-    sp<MemoryDealer> dealer = new MemoryDealer(8 * 1024 * 1024, "OMXHarness");
+    sp<MemoryDealer> dealer = new MemoryDealer(16 * 1024 * 1024, "OMXHarness");
     IOMX::node_id node;
 
     status_t err =