Move executable path constants into paths file

Change-Id: Iff8073f876e4e78cc61ccf5a9bb028378ac80393

Author: chriswailes

config.py

@@ -36,15 +36,6 @@
 HOST_CXX_WRAPPER_TEMPLATE:  Path = TEMPLATES_PATH / 'host_cxx_wrapper.template'
 HOST_TARGET_TEMPLATE:       Path = TEMPLATES_PATH / 'host_target.template'
 
-CARGO_PATH:  Path = RUST_PREBUILT_PATH   / 'bin' / 'cargo'
-RUSTC_PATH:  Path = RUST_PREBUILT_PATH   / 'bin' / 'rustc'
-PYTHON_PATH: Path = PYTHON_PREBUILT_PATH / 'bin' / 'python3'
-CC_PATH:     Path = LLVM_PREBUILT_PATH   / 'bin' / 'clang'
-CXX_PATH:    Path = LLVM_PREBUILT_PATH   / 'bin' / 'clang++'
-AR_PATH:     Path = LLVM_PREBUILT_PATH   / 'bin' / 'llvm-ar'
-RANLIB_PATH: Path = LLVM_PREBUILT_PATH   / 'bin' / 'llvm-ranlib'
-CXXSTD_PATH: Path = LLVM_PREBUILT_PATH   / 'include' / 'c++' / 'v1'
-
 # Add the path at which libc++ can be found in Android checkouts
 CXX_LINKER_FLAGS: str = ' -Wl,-rpath,'
 if build_platform.system() == 'darwin':

paths.py

@@ -56,3 +56,16 @@
 NDK_PATH:         Path = WORKSPACE_PATH / 'toolchain' / 'prebuilts' / 'ndk' / 'r23'
 NDK_LLVM_PATH:    Path = NDK_PATH / 'toolchains' / 'llvm' / 'prebuilt' / 'linux-x86_64'
 NDK_SYSROOT_PATH: Path = NDK_LLVM_PATH / 'sysroot'
+
+#
+# Paths to executables
+#
+
+CARGO_PATH:  Path = RUST_PREBUILT_PATH   / 'bin' / 'cargo'
+RUSTC_PATH:  Path = RUST_PREBUILT_PATH   / 'bin' / 'rustc'
+PYTHON_PATH: Path = PYTHON_PREBUILT_PATH / 'bin' / 'python3'
+CC_PATH:     Path = LLVM_PREBUILT_PATH   / 'bin' / 'clang'
+CXX_PATH:    Path = LLVM_PREBUILT_PATH   / 'bin' / 'clang++'
+AR_PATH:     Path = LLVM_PREBUILT_PATH   / 'bin' / 'llvm-ar'
+RANLIB_PATH: Path = LLVM_PREBUILT_PATH   / 'bin' / 'llvm-ranlib'
+CXXSTD_PATH: Path = LLVM_PREBUILT_PATH   / 'include' / 'c++' / 'v1'