Cameraserver framework HAL is marked optional

This is for Auto, TV, and Wear devices. It has historically been
optional. See previous frozen matrix files.

Test: m
Bug: none
Change-Id: I0fe4b4a00dcc7a11da889e1189bd85f35dd74502
diff --git a/vintfdata/frozen/8.xml b/vintfdata/frozen/8.xml
index db34f63..58db476 100644
--- a/vintfdata/frozen/8.xml
+++ b/vintfdata/frozen/8.xml
@@ -1,5 +1,9 @@
 <compatibility-matrix version="7.0" type="device">
-    <hal format="aidl" optional="false">
+    <!--
+         cameraserver is installed for all phones and tablets, but not
+         auto, TV, or Wear.
+    -->
+    <hal format="aidl" optional="true">
         <name>android.frameworks.cameraservice.service</name>
         <interface>
             <name>ICameraService</name>