Remove gMallocLeakZygoteChild.

Remove this global variable and change the setting of it to non-zero
to a call to android_mallopt.

In addition, change the initialize function to use pass a bool* instead of
int*.

Bug: 130028357

Test: Ran malloc_debug/malloc_hooks/perfetto tests.
Change-Id: I20d382bdeaaf38aac6b9dcabea5b3dfab3c945f6
Merged-In: I20d382bdeaaf38aac6b9dcabea5b3dfab3c945f6
(cherry picked from commit 5225b342f0810c027df3d09fbbcef4d324b19b93)
diff --git a/libc/symbol_ordering b/libc/symbol_ordering
index 10245db..c04692b 100644
--- a/libc/symbol_ordering
+++ b/libc/symbol_ordering
@@ -27,7 +27,7 @@
 restartloop
 _ZL24gHeapprofdInitInProgress
 _ZL27gHeapprofdInitHookInstalled
-_ZL29gMallocZygoteChildProfileable
+_ZL23gZygoteChildProfileable
 _ZZ17__find_icu_symbolPKcE9found_icu
 ru_a
 ru_b
@@ -55,7 +55,6 @@
 g_atexit_lock
 gGlobalsMutateLock
 global_hashtable
-gMallocLeakZygoteChild
 gmtptr
 handlers
 je_background_thread_info