Add @NonNull in SubMgr#getOpportunisticSubscriptions return value.

Bug: 116117273
Test: build
Change-Id: I1b831ea7fc1eff78c262ae6f3b6ee91a72e1f5a9
Merged-In: I1b831ea7fc1eff78c262ae6f3b6ee91a72e1f5a9

1 files changed, 2 insertions, 1 deletions

diff --git a/telephony/java/android/telephony/SubscriptionManager.java b/telephony/java/android/telephony/SubscriptionManager.java
index 97b7414750c9..49f29581a2a1 100644
--- a/telephony/java/android/telephony/SubscriptionManager.java
+++ b/telephony/java/android/telephony/SubscriptionManager.java
@@ -2230,9 +2230,10 @@ public class SubscriptionManager {
      *  Provide all available user downloaded profiles on phone which are used only for
      *  opportunistic data.
      *  @param slotIndex slot on which the profiles are queried from.
+     *  @return the list of opportunistic subscription info. If none exists, an empty list.
      */
     @RequiresPermission(android.Manifest.permission.READ_PHONE_STATE)
-    public List<SubscriptionInfo> getOpportunisticSubscriptions(int slotIndex) {
+    public @NonNull List<SubscriptionInfo> getOpportunisticSubscriptions(int slotIndex) {
         String pkgForDebug = mContext != null ? mContext.getOpPackageName() : "<unknown>";
         List<SubscriptionInfo> subInfoList = null;