Linaro Engineers present a bunch of optimizations they recently did in Android for ARM. These optimizations are in areas like BIONIC for Cortex C string routines, migrating to GCC 4.9, migrating the external projects to their latest versions, optimizing SQLite, optimizing battery life, also they discuss their progress building Android with CLANG, migrating Android to latest versions and how Linaro is planning to release these optimizations to the Android community through Linaro Android releases and upstream them to respective project repositories.
The Android Linaro team's presentations are live and available on Linaro.org LCA14 and on youtube at LinaraOnAir channel - http://www.youtube.com/user/LinaroOnAir:
LCA14-205: Optimizing SQLite for Android mobile
LCA14-304: Building Android with CLANG for ARM v7 and v8 platforms