Add domains for goldfish services.

goldfish-setup, goldfish-logcat, and qemu-props are goldfish-specific
oneshot services that lacked domain definitions and thus were left in init's
domain.

This depends on a change to external/sepolicy with the same Change-Id
to define non-goldfish-specific types for properties and logcat.

Change-Id: Idce1fb5ed9680af84788ae69a5ace684c6663974
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
Use new variable LLVM_PREBUILTS_VERSION to simplify path construction.

This removes the hard-coded '3.5' in the various paths and makes switching to
a new toolchain easier from the command line (m LLVM_PREBUILTS_VERSION=3.6).

Change-Id: I46b10eb2fc177a03528de9c7b433f8647f632081
Test __GLIBC__ is defined before using its value.

Avoids -Wundef warning.

Change-Id: I52d8223500fe31cdf7023e32e96df75e33eb2f7e
Remove unnecessary CLANG_CONFIG_EXTRA_*_C_INCLUDES variables.

These aren't needed now that we only use the compiler/headers that exist in
the prebuilts/clang directory.

Change-Id: I9978efb10815e92577d45629db324e0a5094f880
Merge "Test __GLIBC__ is defined before using its value."
Merge "Use new variable LLVM_PREBUILTS_VERSION to simplify path construction."
Merge "Remove unnecessary CLANG_CONFIG_EXTRA_*_C_INCLUDES variables."
Fix detection of C++ STL for tests.

Target tests weren't approrpiately using the libc++ gtest for
libc++_static, and the hosts tests were still using the old check.

Change-Id: I13813d5f09673b144b2dfead93eb81cb4bae0e34
Merge "Fix detection of C++ STL for tests."
Add local Clang+target specific flags.

BUG: 17677366
Change-Id: I75522fb56fdf4d27ea1f5f0ae15866b13ae6e206
Merge "Add local Clang+target specific flags."
Merge "Add domains for goldfish services."