Prevent PIN/Passwword disappearing during boot

During startup, when the telephony service starts, a configChange is sent
to the CryptKeeper activity, causing it to lose its data.

Ignore this change since it is immaterial to what we display.

Bug: 17421115

Change-Id: I83f867f3de5d90ff1050e3906da142d99fd6c276
1 file changed