Protecting against trying to launch apps that don't exist

BUG: 74083361

Change-Id: Ia0750bcca2534e794a81f094d5c214af4011c0ce
Test: Locally
diff --git a/tests/AppLaunchWear/src/com/android/tests/applaunch/AppLaunch.java b/tests/AppLaunchWear/src/com/android/tests/applaunch/AppLaunch.java
index 38c298c..d36d84e 100644
--- a/tests/AppLaunchWear/src/com/android/tests/applaunch/AppLaunch.java
+++ b/tests/AppLaunchWear/src/com/android/tests/applaunch/AppLaunch.java
@@ -229,6 +229,9 @@
             setLaunchOrder();
 
             for (LaunchOrder launch : mLaunchOrderList) {
+                if (mNameToIntent.get(launch.getApp()) == null) {
+                    continue;
+                }
                 dropCache();
                 String appPkgName = mNameToIntent.get(launch.getApp())
                         .getComponent().getPackageName();