utils: adjust the python path

Adjust the python relative path when building LLDB to account for the
restructuring in the packaging.

(cherry picked from commit 8c66755)

Author: compnerd

utils/build.ps1

@@ -1789,7 +1789,7 @@ function Get-CompilersDefines([Hashtable] $Platform, [switch] $Test) {
     LLDB_PYTHON_EXE_RELATIVE_PATH = "python.exe";
     LLDB_PYTHON_EXT_SUFFIX = ".pyd";
     LLDB_PYTHON_RELATIVE_PATH = "lib/site-packages";
-    LLDB_PYTHON_DLL_RELATIVE_PATH = "../../../../Python-$PythonVersion";
+    LLDB_PYTHON_DLL_RELATIVE_PATH = "../../../../Python-$PythonVersion/usr/bin";
     LLDB_TABLEGEN = (Join-Path -Path $BuildTools -ChildPath "lldb-tblgen.exe");
     LLDB_TEST_MAKE = "$BinaryCache\GnuWin32Make-4.4.1\bin\make.exe";
     LLVM_CONFIG_PATH = (Join-Path -Path $BuildTools -ChildPath "llvm-config.exe");