Revert^2 "Mark @FlaggedApi flags as exported"

5df163225b3f98912522994930804ba77bd80e62

Change-Id: I3d54d5235398831aec42b06e52300fa1adb515e2
diff --git a/flags/ims.aconfig b/flags/ims.aconfig
index 4ce7508..703440f 100644
--- a/flags/ims.aconfig
+++ b/flags/ims.aconfig
@@ -155,6 +155,7 @@
     namespace: "telephony"
     description: "Used to expose SMS related hidden APIs for SMS over IMS to public API."
     bug:"359721349"
+    is_exported: true
 }
 
 # OWNER=jhyoon TARGET=25Q2
@@ -163,4 +164,5 @@
     namespace: "telephony"
     description: "This flag controls the type of API regarding MmTelFeature, either hidden or system type."
     bug:"359721349"
+    is_exported: true
 }