Replace more occurrences of `make` with `m` in ART.

Calling `make` is no longer supported since
https://android-review.googlesource.com/c/platform/build/+/1092954/.

Test: n/a
Change-Id: Ie2a0bcf7ea45b5ce82b471de31abb848a102c0ad
diff --git a/tools/generate_cmake_lists.py b/tools/generate_cmake_lists.py
index 6c3ce08..5639617 100755
--- a/tools/generate_cmake_lists.py
+++ b/tools/generate_cmake_lists.py
@@ -68,7 +68,7 @@
 
   ANDROID_BUILD_TOP = get_android_build_top()
 
-  subprocess.check_output(('make -j64 -C %s') % (ANDROID_BUILD_TOP), shell=True)
+  subprocess.check_output('m -j64', shell=True, cwd=ANDROID_BUILD_TOP)
 
   out_art_cmakelists_dir = os.path.join(ANDROID_BUILD_TOP,
                                         'out/development/ide/clion/art')