Revert "fix build with Linaro 4.6"

This reverts commit 443bcf3ee10309882823138a2b12ec211741173e.
Revert "Turn off strict to fix tuna"

This reverts commit 5526fde0aae3c8eb2779aa220aaa2b66a19d67d6.
Revert "bluedroid: Fix build for juice-aosp"

This reverts commit 2683e2fae0f81087d68682ef2875f525fa2cd64d.
Revert "bluedroid: Fix build with gcc 4.8+"

This reverts commit 650ad482540199be6845a1bfb707d97ba8f66806.