Persist Telephony Satellite SOS logs

1. Add feature flag for persistent satellite logging
2. Persist satellite telephony module logs

Bug: 343478281
Flag: com.android.internal.telephony.flags.satellite_persistent_logging
Test: make & manual tests
Change-Id: Iaeab24745fd493148274c986f418e3a117fcac48
diff --git a/flags/satellite.aconfig b/flags/satellite.aconfig
index 27ab0b1..2eea80a 100644
--- a/flags/satellite.aconfig
+++ b/flags/satellite.aconfig
@@ -25,4 +25,12 @@
     namespace: "telephony"
     description: "This flag enables satellite internet support."
     bug:"326972202"
+}
+
+# OWNER=xalle TARGET=24Q3
+flag {
+    name: "satellite_persistent_logging"
+    namespace: "telephony"
+    description: "This flag enables satellite persistent logging"
+    bug:"339877723"
 }
\ No newline at end of file