Not crashing tests when a test fails to deinitialize

This causes nondescript diags "Test failed to run to completion.
Reason: 'Instrumentation run failed due to 'Process crashed.''. Check
device logcat for details"

Now quietly skipping all consequent tests after such failure.

Change-Id: I3747cda1a3094bfe82e27eae39ba9e9dfd4af9b6

tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java

@@ -183,16 +183,8 @@ public abstract class AbstractLauncherUiTest {
 
     @After
     public void verifyLauncherState() {
-        try {
-            // Limits UI tests affecting tests running after them.
-            mLauncher.waitForLauncherInitialized();
-        } catch (Throwable t) {
-            Log.e(TAG,
-                    "Couldn't deinit after a test, exiting tests, see logs for failures that "
-                            + "could have caused this",
-                    t);
-            exit(1);
-        }
+        // Limits UI tests affecting tests running after them.
+        mLauncher.waitForLauncherInitialized();
     }
 
     protected void clearLauncherData() throws IOException, InterruptedException {