Add RealTimeIntegrityModel to Glonass

- Add RealTimeIntegrityModel to Glonass
- AuxiliaryInformation should be array
- Make GnssAssistance fields nullable

Bug: 404694257
Test: atest VtsHalGnssTargetTest
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:228412b53998e08ef28cf08090cf77f94922946b)
Merged-In: I453b6419ee64f28e88e383b98fd8d915c735ddf1
Change-Id: I453b6419ee64f28e88e383b98fd8d915c735ddf1
diff --git a/gnss/aidl/Android.bp b/gnss/aidl/Android.bp
index f9e838f..31d246c 100644
--- a/gnss/aidl/Android.bp
+++ b/gnss/aidl/Android.bp
@@ -59,6 +59,10 @@
             version: "5",
             imports: [],
         },
+        {
+            version: "6",
+            imports: [],
+        },
 
     ],
     frozen: true,