Let external calls be logged for wearable devices

This is a manual CP of ag/22976617

Test: unit test and manual test
Bug: 292600751
Change-Id: Ic6d2aae5dabac67e2704287ee5572ca9f4430135
diff --git a/flags/Android.bp b/flags/Android.bp
index 5433d4e..99e2dc5 100644
--- a/flags/Android.bp
+++ b/flags/Android.bp
@@ -29,6 +29,7 @@
       "telecom_incallservice_flags.aconfig",
       "telecom_default_phone_account_flags.aconfig",
       "telecom_callaudioroutestatemachine_flags.aconfig",
+      "telecom_calllog_flags.aconfig",
       "telecom_resolve_hidden_dependencies.aconfig"
     ],
 }
diff --git a/flags/telecom_calllog_flags.aconfig b/flags/telecom_calllog_flags.aconfig
new file mode 100644
index 0000000..075e1f3
--- /dev/null
+++ b/flags/telecom_calllog_flags.aconfig
@@ -0,0 +1,8 @@
+package: "com.android.server.telecom.flags"
+
+flag {
+  name: "telecom_log_external_wearable_calls"
+  namespace: "telecom"
+  description: "log external call if current device is a wearable one"
+  bug: "292600751"
+}
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