[nearby] Catches NPE in ChreDiscoveryProvider

Test: -m
Ignore-AOSP-First: neary not in aosp yet
Fix: 298597342
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:5d07eee4c1671a3d1d6b6669c338d098cfe488f9)
Merged-In: I1ef411aea6db6d0c169aa08c303f4234c77baed9
Change-Id: I1ef411aea6db6d0c169aa08c303f4234c77baed9
diff --git a/nearby/framework/java/android/nearby/NearbyManager.java b/nearby/framework/java/android/nearby/NearbyManager.java
index 070a2b6..00f1c38 100644
--- a/nearby/framework/java/android/nearby/NearbyManager.java
+++ b/nearby/framework/java/android/nearby/NearbyManager.java
@@ -284,6 +284,8 @@
      */
     public void queryOffloadCapability(@NonNull @CallbackExecutor Executor executor,
             @NonNull Consumer<OffloadCapability> callback) {
+        Objects.requireNonNull(executor);
+        Objects.requireNonNull(callback);
         try {
             mService.queryOffloadCapability(new OffloadTransport(executor, callback));
         } catch (RemoteException e) {
diff --git a/nearby/service/java/com/android/server/nearby/provider/ChreDiscoveryProvider.java b/nearby/service/java/com/android/server/nearby/provider/ChreDiscoveryProvider.java
index d69d42d..0302e4f 100644
--- a/nearby/service/java/com/android/server/nearby/provider/ChreDiscoveryProvider.java
+++ b/nearby/service/java/com/android/server/nearby/provider/ChreDiscoveryProvider.java
@@ -155,7 +155,7 @@
             builder.setFastPairSupported(version != ChreCommunication.INVALID_NANO_APP_VERSION);
             try {
                 callback.onQueryComplete(builder.build());
-            } catch (RemoteException e) {
+            } catch (RemoteException | NullPointerException e) {
                 e.printStackTrace();
             }
         });