Reattempt to download the IMSIEncryption key when the device is unlocked.

Bug: 303780982
Test: atest tests/telephonytests/src/com/android/internal/telephony and
manually verified using test APK.

Change-Id: Ib315b41b2eed1c725cb9c95b88f26cd57cccc86f
diff --git a/flags/uicc.aconfig b/flags/uicc.aconfig
index 3f91ebb..3ef2301 100644
--- a/flags/uicc.aconfig
+++ b/flags/uicc.aconfig
@@ -5,4 +5,10 @@
     namespace: "telephony"
     description: "This flag controls eSIM Bootstrap provisioning feature support."
     bug:"298567545"
+}
+flag {
+    name: "imsi_key_retry_download_on_phone_unlock"
+    namespace: "telephony"
+    description: "This flag controls to download the IMSI encryption keys after user unlocks the phone."
+    bug:"303780982"
 }
\ No newline at end of file