Launch keyboard settings page activity from Shortcut Helper as new task.

This allows the user to re-open shortcut helper without seeing the settings page again.

Fix: 365955398
Test: Manual. Launch SH, open keyboard settings, go home, relaunch SH successfully.
Flag: com.android.systemui.keyboard_shortcut_helper_rewrite
Change-Id: I0ea52de72b44ed4a9ebbe0c7e46ac701b790cd62
1 file changed