[lldb] Remove more workrounds for Android that have been fixed upstream (#124176)

Issues that were fixed 10+ years ago with Bionic libc.

lldb/source/Host/posix/DomainSocket.cpp

@@ -20,14 +20,6 @@
 using namespace lldb;
 using namespace lldb_private;
 
-#ifdef __ANDROID__
-// Android does not have SUN_LEN
-#ifndef SUN_LEN
-#define SUN_LEN(ptr)                                                           \
-  (offsetof(struct sockaddr_un, sun_path) + strlen((ptr)->sun_path))
-#endif
-#endif // #ifdef __ANDROID__
-
 static const int kDomain = AF_UNIX;
 static const int kType = SOCK_STREAM;
 

lldb/source/Host/posix/ProcessLauncherPosixFork.cpp

@@ -24,10 +24,6 @@
 #include <csignal>
 #include <sstream>
 
-#ifdef __ANDROID__
-#define PT_TRACE_ME PTRACE_TRACEME
-#endif
-
 #if defined(__linux__)
 #include <sys/personality.h>
 #endif

lldb/source/Plugins/ObjectContainer/BSD-Archive/ObjectContainerBSDArchive.cpp

@@ -8,7 +8,7 @@
 
 #include "ObjectContainerBSDArchive.h"
 
-#if defined(_WIN32) || defined(__ANDROID__) || defined(_AIX)
+#if defined(_WIN32) || defined(_AIX)
 // Defines from ar, missing on Windows
 #define SARMAG 8
 #define ARFMAG "`\n"