Map errors through the bridge more carefully

Remove several errors that were very once-off.

In Java avoid throwing RuntimeException unless it's an internal error
that we really should crash on.

java/java/src/main/java/org/whispersystems/libsignal/fingerprint/FingerprintParsingException.java

@@ -7,8 +7,8 @@ package org.whispersystems.libsignal.fingerprint;
 
 public class FingerprintParsingException extends Exception {
 
-  public FingerprintParsingException(Exception nested) {
-    super(nested);
+  public FingerprintParsingException(String message) {
+    super(message);
   }
 
 }