Before this patch, this scenarios didn't yield the expected result: 1) Disable IME, click Apply 2) Enable IME, click Cancel The expected result is that IME would be disabled, but it was enabled. This patch re-stashes the preferences when they are saved, so the last saved preferences are loaded when pressing Cancel. Change-Id: Ic7abdab165e367d970e6568ba69b25bf7d4f675a