Properly extend Error instead of implementing it, update the Error message and stack to appear in the console and error activity

tns-core-modules/utils/debug.android.ts

@@ -0,0 +1,22 @@
+import { Source } from "./debug-common";
+export * from "./debug-common";
+
+export class ScopeError extends Error {
+    constructor(inner: Error, message?: string) {
+        let formattedMessage;
+        if (message && inner.message) {
+            formattedMessage = message + "\n > " + inner.message.replace("\n", "\n  ");
+        } else {
+            formattedMessage = message || inner.message || undefined;
+        }
+        super(formattedMessage);
+        this.stack = "Error: " + this.message + "\n" + inner.stack.substr(inner.stack.indexOf("\n") + 1);
+        this.message = formattedMessage;
+    }
+}
+
+export class SourceError extends ScopeError {
+    constructor(child: Error, source: Source, message?: string) {
+        super(child, message ? message + " @" + source + "" : source + "");
+    }
+}