Specify -mcpu=cortex-a15 for krait CPU variants.

Bug: 11178216

Change-Id: I9922e4cd5ba27e3857798aae5c84299e26e054ea
Enable gesture typing - (3/3)-delete the libjni_latinime package in favour of prebuilt libjni_latinime

Change-Id: Id06777518f0d0e87aaeab8fb105224ae29ed9e77
Fixes for gcc 4.8/4.9

Change-Id: I498ab5fd5ef97b21e365dbcac6110eabaec5d289