Use TotalTime instead of ThisTime in app launch test

Bug: 62272543

Test: Tested with calculator and facebook messenger launch

Change-Id: Ide4e844e54428edcb7e3356cb3d0492392f6bde3

tests/AppLaunch/src/com/android/tests/applaunch/AppLaunch.java

@@ -664,7 +664,8 @@ public class AppLaunch extends InstrumentationTestCase {
                     if (lineCount == 2 && line.contains(SUCCESS_MESSAGE)) {
                         launchSuccess = true;
                     }
-                    if (launchSuccess && lineCount == 4) {
+                    // Parse TotalTime which is the launch time
+                    if (launchSuccess && lineCount == 5) {
                         String launchSplit[] = line.split(":");
                         launchTime = launchSplit[1].trim();
                     }