default drm hidl: Fix decrypt destination base ptr

Bug: 144351324
Test: poc_CryptoPlugin_155
Change-Id: Id5d221cd6978d55c46c0368aceb10c1d2f559fd9
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) {