Fix kotlin nullable errors in StatementService

Fix kotlin nullable errors that were exposed by setting the retention
of android.annotation.NonNull and android.annotation.Nullable to
class retention.

Bug: 294110802
Test: builds
Change-Id: I2b8de9c8436ccfcb41bba27d4a3fd6b0eb1f6b1e

1 files changed, 1 insertions, 0 deletions

diff --git a/packages/StatementService/src/com/android/statementservice/utils/StatementUtils.kt b/packages/StatementService/src/com/android/statementservice/utils/StatementUtils.kt
index 92d752c83a9f..4837aad3a025 100644
--- a/packages/StatementService/src/com/android/statementservice/utils/StatementUtils.kt
+++ b/packages/StatementService/src/com/android/statementservice/utils/StatementUtils.kt
@@ -88,6 +88,7 @@ internal object StatementUtils {
         } catch (e: Exception) {
             return Result.Failure(e)
         }
+        checkNotNull(signingInfo)
         return if (signingInfo.hasMultipleSigners()) {
             signingInfo.apkContentsSigners
         } else {