Resolve telecom_resolve_hidden_dependencies namespace

Change the telecom_resolve_hidden_dependencies flag namespace (from `android_platform_telecom` to `telecom` in order for it to be tracked in Gantry.

Bug: 324090590
Change-Id: I58cf6c661002b61120da455018f1a0b8027f08b3
Test: m Telecom
diff --git a/flags/telecom_resolve_hidden_dependencies.aconfig b/flags/telecom_resolve_hidden_dependencies.aconfig
index ecc0123..6def938 100644
--- a/flags/telecom_resolve_hidden_dependencies.aconfig
+++ b/flags/telecom_resolve_hidden_dependencies.aconfig
@@ -2,7 +2,7 @@
 
 flag {
     name: "telecom_resolve_hidden_dependencies"
-    namespace: "android_platform_telecom"
+    namespace: "telecom"
     description: "Mainland cleanup for hidden dependencies"
-    bug: "b/303440370"
+    bug: "b/324090590"
 }