Soong command lines have gotten very long due to hidl modules
reexporting lots of libraries. Dedup the include dir flags.
Test: m -j checkbuild
Change-Id: I6ada1251012da42344e2c00ae66001a649023d2c
Various build rule changes to match AOSP:
Add libunwind_llvm and libdl as dependencies for libc++ on device
Always add libcompiler_rt-extras as a dependency
Add libm, libc, and libdl as depnendencies for libc++ static binaries
Disable some clang warnings, and add some clang filtered cflags
Add -fstack-protector to host linux builds
Add jack_flags property to java modules (currently ignored)
Change-Id: Ic0da617bdeaf25f58cb8298dd9ea91b7d6509151
