[am] catch IllegalArgumentException from getHarmfulAppWarning

A missing package should not cause system_server crash.

BUG: 253989182
Test: builds
Merged-In: I55fd685280ea6a3d08b9c838b2245ed6dec0aa56
Change-Id: I55fd685280ea6a3d08b9c838b2245ed6dec0aa56
(cherry picked from commit 20e4747134)

services/core/java/com/android/server/wm/ActivityStartInterceptor.java

@@ -424,7 +424,7 @@ class ActivityStartInterceptor {
         try {
             harmfulAppWarning = mService.getPackageManager()
                     .getHarmfulAppWarning(mAInfo.packageName, mUserId);
-        } catch (RemoteException ex) {
+        } catch (RemoteException | IllegalArgumentException ex) {
             return false;
         }