Undo aidl-freeze-api for diverged interfaces

These interfaces have changes internally and will neeed to have those
changes cherry-picked to aosp before they can be frozen and worked on in
aosp.

Test: m
Bug: 388072383
Change-Id: I7abe4076dfc52f015598c7033890b0a76bc938f3
Merged-In: Ibff72bad06fbc92e6f26854f7218a23b89bace19
diff --git a/contexthub/aidl/Android.bp b/contexthub/aidl/Android.bp
index df6e063..b56537a 100644
--- a/contexthub/aidl/Android.bp
+++ b/contexthub/aidl/Android.bp
@@ -57,11 +57,6 @@
             version: "3",
             imports: [],
         },
-        {
-            version: "4",
-            imports: [],
-        },
-
     ],
-    frozen: true,
+    frozen: false,
 }