cmfm: improve hexdump display

Change-Id: I29d1f75e9cba3b0a9710ca8b0e3c803bb4828ef9
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
cmfm: properly fill all searchable data on restoration

Also cache search title and improve restoration doing Query a parcelable class
JIRA: BUGDUMP-21247
https://jira.cyanogenmod.org/browse/BUGDUMP-21247

Change-Id: I2a13d569affcf53ed8f2c38aeb251aa14e3cd431
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>