Update packager start text so that app instructions print next to info.

Author: anp

react-native-scripts/src/scripts/android.js

@@ -25,12 +25,10 @@ async function startAndroidAndPrintInfo() {
 
   qr.generate(address, qrCode => {
     console.log(
-      `To view your app with live reloading, point the Exponent app to this QR code:
+      `To view your app with live reloading, point the Exponent app to this QR code. You'll find the QR scanner on the Projects tab of the app, under the '+' menu.
 
 ${indent(qrCode, 2)}
 
-You'll find the QR scanner on the Projects tab of the app, under the '+' menu.
-
 Or enter this address in the Exponent app's search bar:
 
   ${chalk.underline(chalk.cyan(address))}

react-native-scripts/src/scripts/ios.js

@@ -43,12 +43,10 @@ async function startSimulatorAndPrintInfo() {
   if (success) {
     qr.generate(address, qrCode => {
       console.log(
-        `To view your app with live reloading, point the Exponent app to this QR code:
+        `To view your app with live reloading, point the Exponent app to this QR code. You'll find the QR scanner on the Projects tab of the app, under the '+' menu.
 
 ${indent(qrCode, 2)}
 
-You'll find the QR scanner on the Projects tab of the app, under the '+' menu.
-
 Or enter this address in the Exponent app's search bar:
 
   ${chalk.underline(chalk.cyan(address))}

react-native-scripts/src/scripts/start.js

@@ -23,12 +23,10 @@ async function printServerInfo() {
     console.log(
       `${chalk.green('Packager started!')}
 
-To view your app with live reloading, point the Exponent app to this QR code:
+To view your app with live reloading, point the Exponent app to this QR code. You'll find the QR scanner on the Projects tab of the app, under the '+' menu.
 
 ${indent(qrCode, 2)}
 
-You'll find the QR scanner on the Projects tab of the app, under the '+' menu.
-
 Or enter this address in the Exponent app's search bar:
 
   ${chalk.underline(chalk.cyan(address))}