tree 389b8ef423f4d397dd09c2d4ed327db193b3227d
parent 97eda2dcf48de6cb9d9817160f6a40caaeffe18e
author Vladimir Komsiyski <vladokom@google.com> 1702376352 +0100
committer Vladimir Komsiyski <vladokom@google.com> 1702386666 +0100

Fix a bunch of warnings in VDM Demo apps.

 - Reduce ImmutableSet/List usage as it's not supported
   well in Android.
 - Method invocation ... may produce NPE
 - Missing nullability annotations

Fix: 314478048
Test: manual
Change-Id: I7920471b0320144467054ee540d246ebe8c6c4cc