default drm hidl: Fix decrypt destination base ptr am: d79abbb0d3

Change-Id: Ifaa69ef0ed98f90a42a66b7b64ef9d61457af107
diff --git a/drm/1.0/default/CryptoPlugin.cpp b/drm/1.0/default/CryptoPlugin.cpp
index 6626c01..c9383ff 100644
--- a/drm/1.0/default/CryptoPlugin.cpp
+++ b/drm/1.0/default/CryptoPlugin.cpp
@@ -143,6 +143,7 @@
                 return Void();
             }
 
+            base = static_cast<uint8_t *>(static_cast<void *>(destBase->getPointer()));
             destPtr = static_cast<void *>(base + destination.nonsecureMemory.offset);
         } else if (destination.type == BufferType::NATIVE_HANDLE) {
             if (!secure) {