Merge changes I826756d9,I00e2edb2

* changes:
  libc_logging: mention that they're async signal safe.
  linker: update dependencies.

libc/private/libc_logging.h

@@ -76,6 +76,7 @@ __noreturn void __fortify_fatal(const char* _Nonnull, ...) __printflike(1, 2);
 //
 // Formatting routines for the C library's internal debugging.
 // Unlike the usual alternatives, these don't allocate, and they don't drag in all of stdio.
+// These are async signal safe, so they can be called from signal handlers.
 //
 
 int __libc_format_buffer(char* _Nonnull buf, size_t size, const char* _Nonnull fmt, ...) __printflike(3, 4);

linker/Android.bp

@@ -119,13 +119,7 @@ cc_binary {
         "libbase",
         "libz",
 
-        "libdebuggerd_handler_core",
         "libdebuggerd_handler_fallback",
-        "libdebuggerd",
-        "libbacktrace",
-        "libunwind",
-        "liblzma",
-        "libcutils",
 
         "liblog",
         "libc++_static",