Reapply "Stop using versioner."

With the new module excluded from C compat checks for similar reasons
as the other bionic modules.

This reverts commit 106afcd.

Bug: None
Test: None
Change-Id: I9cdf2ca206b1bc0a516fdfc9d23cc35cc39d87c1

Author: DanAlbert

libc/Android.bp

@@ -2231,11 +2231,17 @@ cc_library_static {
 // NDK headers.
 // ========================================================
 
-versioned_ndk_headers {
+ndk_headers {
     name: "common_libc",
     from: "include",
     to: "",
+    srcs: ["include/**/*.h"],
     license: "NOTICE",
+    // These don't pass the bad verification we do because many of them are
+    // arch-specific, and they aren't necessarily independently includable.
+    // That's not much of a problem though, since C-incompaitibilities in the
+    // UAPI headers should run into problems long before they reach us.
+    skip_verification: true,
 }
 
 ndk_headers {
@@ -2255,10 +2261,6 @@ ndk_headers {
         "kernel/uapi/xen/**/*.h",
     ],
     license: "NOTICE",
-    // These don't pass the bad verification we do because many of them are
-    // arch-specific, and they aren't necessarily independently includable.
-    // That's not much of a problem though, since C-incompaitibilities in the
-    // UAPI headers should run into problems long before they reach us.
     skip_verification: true,
 }
 

libc/include/malloc.h

@@ -76,6 +76,9 @@ void* _Nullable calloc(size_t __item_count, size_t __item_size) __mallocfunc __B
  */
 void* _Nullable realloc(void* _Nullable __ptr, size_t __byte_count) __BIONIC_ALLOC_SIZE(2) __wur;
 
+// Remove the explicit guard once //external/giflib has been fixed so that it no
+// longer provides a conflicting definition: http://b/352784252
+#if __ANDROID_API__ >= 29
 /**
  * [reallocarray(3)](https://man7.org/linux/man-pages/man3/realloc.3.html) resizes
  * allocated memory on the heap.
@@ -88,6 +91,7 @@ void* _Nullable realloc(void* _Nullable __ptr, size_t __byte_count) __BIONIC_ALL
  * (but see the notes for malloc()).
  */
 void* _Nullable reallocarray(void* _Nullable __ptr, size_t __item_count, size_t __item_size) __BIONIC_ALLOC_SIZE(2, 3) __wur __INTRODUCED_IN(29);
+#endif
 
 /**
  * [free(3)](https://man7.org/linux/man-pages/man3/free.3.html) deallocates