emulator: enable adb in SdkSetup

(cherry picked from commit 2c111bd94a)

Change-Id: I0b07a23049d7026a9151842be40b345a84e880ff
Merged-In: I8d7f495932da12ba378293282ae8ff8009218e75

apps/SdkSetup/src/com/android/sdksetup/DefaultActivity.java

@@ -67,6 +67,7 @@ public class DefaultActivity extends Activity {
         PackageManager pm = getPackageManager();
         ComponentName name = new ComponentName(this, DefaultActivity.class);
         pm.setComponentEnabledSetting(name, PackageManager.COMPONENT_ENABLED_STATE_DISABLED, 0);
+        Settings.Secure.putInt(getContentResolver(),Settings.Secure.ADB_ENABLED, 1);
 
         // terminate the activity.
         finish();