garnet: configs: Declare missing android.hardware.graphics.allocator …

…IAllocator

- Could not find android.hardware.graphics.allocator.IAllocator/default in the VINTF manifest. No alternative instances declared in VINTF.
- Could not find android.hardware.graphics.allocator.IAllocator/default in the VINTF manifest. No alternative instances declared in VINTF.

Signed-off-by: kleidione <kleidione@gmail.com>

configs/hidl/device_framework_compatibility_matrix.xml

@@ -16,4 +16,11 @@
             <instance>software</instance>
         </interface>
     </hal>
+    <hal format="hidl" optional="true">
+        <name>android.hardware.graphics.allocator</name>
+        <interface>
+            <name>IAllocator</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
 </compatibility-matrix>