Revert "fix chinese exchange null"

This reverts commit 348d2294cb42220adc14388c9030ee734717c23b.
Revert "Improve accuracy"

This reverts commit b3df92cb64a994f358af348c2f56a2d2c76e3620.
Revert "fix NullPointerException"

This reverts commit fa4ee1d50e10a00db8f2b703015d23f139bd2dc1.
Revert "Dialer: imporve pinyin search speed"

This reverts commit 37d1a412f6e7e12a0ba1928573a1125511477a71.
Revert "add Highlight fuzzy"

This reverts commit 486ec53eaafcff3716da0470afc8717a3c567a36.
Revert "Dialer: Code Cleanup"

This reverts commit 417030ac664a73e7e68ca8298209b3dd6ce2d654.
Revert "Dialer: code cleanup"

This reverts commit e4e343fd7298000e66974bf638e28399e7192a36.
Revert "add first"

This reverts commit 81a6ef76e2743cfdefa3da2d342b0314fcc530c8.
Revert "Dialer: fix NPE"

This reverts commit 5737e7307562c468b90eb0436e18b4fd22c093df.
Revert "Add Support Chinese T9"

This reverts commit 830a982f686b55ac5b0780cdcf3975289067d8bc.