Adding new intent ACTION_SMS_MMS_DB_CREATED.

Test: manual (verified from logcat that intent is broadcast)
Bug: 115990430
Change-Id: I660cf2d04a1b57a58c8cefd212e5f8d73b329890
diff --git a/telephony/java/android/provider/Telephony.java b/telephony/java/android/provider/Telephony.java
index d9e7167..6c9c01c 100644
--- a/telephony/java/android/provider/Telephony.java
+++ b/telephony/java/android/provider/Telephony.java
@@ -1245,6 +1245,33 @@
                     "android.provider.action.DEFAULT_SMS_PACKAGE_CHANGED_INTERNAL";
 
             /**
+             * Broadcast action: When SMS-MMS db is being created. If file-based encryption is
+             * supported, this broadcast indicates creation of the db in credential-encrypted
+             * storage. A boolean is specified in {@link #EXTRA_IS_INITIAL_CREATE} to indicate if
+             * this is the initial create of the db. Requires
+             * {@link android.Manifest.permission#READ_SMS} to receive.
+             *
+             * @see #EXTRA_IS_INITIAL_CREATE
+             *
+             * @hide
+             */
+            @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+            public static final String ACTION_SMS_MMS_DB_CREATED =
+                    "android.provider.action.SMS_MMS_DB_CREATED";
+
+            /**
+             * Boolean flag passed as an extra with {@link #ACTION_SMS_MMS_DB_CREATED} to indicate
+             * whether the DB creation is the initial creation on the device, that is it is after a
+             * factory-data reset or a new device. Any subsequent creations of the DB (which
+             * happens only in error scenarios) will have this flag set to false.
+             *
+             * @see #ACTION_SMS_MMS_DB_CREATED
+             *
+             * @hide
+             */
+            public static final String EXTRA_IS_INITIAL_CREATE =
+                    "android.provider.extra.IS_INITIAL_CREATE";
+            /**
              * Read the PDUs out of an {@link #SMS_RECEIVED_ACTION} or a
              * {@link #DATA_SMS_RECEIVED_ACTION} intent.
              *