API: Suppress existing NullableCollections lints

Bug: 152525509
Bug: 154763999
Test: make checkapi
Change-Id: Iecd0927e6be5496b2fbd1a49396db5439257ffe4
diff --git a/telecomm/java/android/telecom/ConnectionRequest.java b/telecomm/java/android/telecom/ConnectionRequest.java
index b73ef9b..be5fae4 100644
--- a/telecomm/java/android/telecom/ConnectionRequest.java
+++ b/telecomm/java/android/telecom/ConnectionRequest.java
@@ -18,6 +18,7 @@
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.annotation.SuppressLint;
 import android.annotation.SystemApi;
 import android.annotation.TestApi;
 import android.net.Uri;
@@ -67,7 +68,8 @@
          * Sets the participants for the resulting {@link ConnectionRequest}
          * @param participants The participants to which the {@link Connection} is to connect.
          */
-        public @NonNull Builder setParticipants(@Nullable List<Uri> participants) {
+        public @NonNull Builder setParticipants(
+                @SuppressLint("NullableCollection") @Nullable List<Uri> participants) {
             this.mParticipants = participants;
             return this;
         }