Make hidl.manager optional in default device matrix am: 32121aecfd

Original change: https://android-review.googlesource.com/c/platform/system/libhidl/+/2243537

Change-Id: Ie0f007f3cbffb8135cad2584d75f3352baf1cce1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/vintfdata/device_compatibility_matrix.default.xml b/vintfdata/device_compatibility_matrix.default.xml
index eaa513e..70d23e2 100644
--- a/vintfdata/device_compatibility_matrix.default.xml
+++ b/vintfdata/device_compatibility_matrix.default.xml
@@ -1,5 +1,5 @@
 <compatibility-matrix version="1.0" type="device">
-    <hal format="hidl" optional="false">
+    <hal format="hidl" optional="true">
         <name>android.hidl.manager</name>
         <version>1.0</version>
         <interface>