Disable lld, libc_malloc_debug failed to boot.

* Linker rules for lld do not work with libunwind_llvm yet.

Bug: 78118944
Test: make checkbuild and boot
Change-Id: I0eda2409d9f365029f70f4255edffbeae49cb6d2
diff --git a/libc/malloc_debug/Android.bp b/libc/malloc_debug/Android.bp
index 899987c..1a79802 100644
--- a/libc/malloc_debug/Android.bp
+++ b/libc/malloc_debug/Android.bp
@@ -61,6 +61,11 @@
         },
     },
 
+    // Clang lld link flags do not work with special link rules
+    // for libunwind_llvm yet. Linked aosp_arm-eng image failed to
+    // boot up in the emulator. http://b/78118944.
+    use_clang_lld: false,
+
     static_libs: [
         "libasync_safe",
         "libbase",