axolotl: vintf: add missing passthrough impls

Test: run vts -m vts_treble_vintf_vendor_test

Change-Id: Ic2ecb01f65e8ac7329debcf1d87508ac92f1714d
Signed-off-by: Alexander Martinz <amartinz@shiftphones.com>
diff --git a/vintf/manifest.xml b/vintf/manifest.xml
index 2ee28c7..27c88d7 100644
--- a/vintf/manifest.xml
+++ b/vintf/manifest.xml
@@ -428,6 +428,15 @@
         </interface>
     </hal>
     <hal format="hidl">
+        <name>vendor.qti.hardware.display.mapper</name>
+        <transport arch="32+64">passthrough</transport>
+        <version>1.1</version>
+        <interface>
+            <name>IQtiMapper</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
+    <hal format="hidl">
         <name>vendor.qti.hardware.factory</name>
         <transport>hwbinder</transport>
         <version>1.1</version>