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Merge branch 'jbdev' into jb-dev
fix a few things

Change-Id: I34c8cdb357053e463f06564dc17993b853ffcf8b
Added local variable info output to javac command for host build.

The host java files weren't being compiled with -g.

Change-Id: Ib7e8abbdc1cf47f7ae2c29cbfdfff6b87686bfc9
arm: upgrade to _FORTIFY_SOURCE=2

Enable _FORTIFY_SOURCE=2 for ARM.

Currently, this change is a no-op, as Android's libc doesn't
support _FORTIFY_SOURCE > 1, yet.

Change-Id: I2067a4bfdfa0b710eb09afc3e99e21ca49554f7e