NativeTombstoneManager: catch ProtoParseException.

If we can't parse the proto for some reason, don't nuke system_server.

Bug: http://b/159164105
Test: `adb shell crasher` on sc-vf-dev
Change-Id: Id8af5f41177d68dacfd9da69eddea4d88d62f420

services/core/java/com/android/server/os/NativeTombstoneManager.java

@@ -42,6 +42,7 @@ import android.system.StructStat;
 import android.util.Slog;
 import android.util.SparseArray;
 import android.util.proto.ProtoInputStream;
+import android.util.proto.ProtoParseException;
 
 import com.android.internal.annotations.GuardedBy;
 import com.android.server.BootReceiver;
@@ -434,7 +435,7 @@ public final class NativeTombstoneManager {
                             break;
                     }
                 }
-            } catch (IOException ex) {
+            } catch (IOException | ProtoParseException ex) {
                 Slog.e(TAG, "Failed to parse tombstone", ex);
                 return Optional.empty();
             }