Seperate the ota_analysis from OTAgui.

The default entry point is /analyseOTA in production enviroment. This is
for the deployment on android.github.io/.

Test: Mannual tested.
Change-Id: Ic77277024b34b67b9964be8cf4f1592cebf5c5e8

tools/ota_analysis/vue.config.js

@@ -0,0 +1,5 @@
+module.exports = {
+  publicPath: process.env.NODE_ENV === 'production'
+    ? '/analyseOTA/'
+    : '/'
+}