Move sigrtmin.h into platform headers.

Test: mma
Change-Id: Ibc97ef96fe9e32b948c245b06039b95fe4342f39
diff --git a/libc/bionic/__libc_current_sigrtmin.cpp b/libc/bionic/__libc_current_sigrtmin.cpp
index d2ea75d..e6b3412 100644
--- a/libc/bionic/__libc_current_sigrtmin.cpp
+++ b/libc/bionic/__libc_current_sigrtmin.cpp
@@ -28,7 +28,7 @@
 
 #include <signal.h>
 
-#include "private/sigrtmin.h"
+#include <platform/bionic/reserved_signals.h>
 
 int __libc_current_sigrtmin() {
   return __SIGRTMIN + __SIGRT_RESERVED;
diff --git a/libc/bionic/fdsan.cpp b/libc/bionic/fdsan.cpp
index 4ebc796..d4ac71c 100644
--- a/libc/bionic/fdsan.cpp
+++ b/libc/bionic/fdsan.cpp
@@ -40,6 +40,7 @@
 #include <unistd.h>
 
 #include <async_safe/log.h>
+#include <platform/bionic/reserved_signals.h>
 #include <sys/system_properties.h>
 
 #include "private/bionic_globals.h"
@@ -168,8 +169,7 @@
                                      ANDROID_FDSAN_ERROR_LEVEL_DISABLED);
       __BIONIC_FALLTHROUGH;
     case ANDROID_FDSAN_ERROR_LEVEL_WARN_ALWAYS:
-      // DEBUGGER_SIGNAL
-      inline_raise(__SIGRTMIN + 3, &abort_message);
+      inline_raise(BIONIC_SIGNAL_DEBUGGER, &abort_message);
       break;
 
     case ANDROID_FDSAN_ERROR_LEVEL_FATAL:
diff --git a/libc/bionic/poll.cpp b/libc/bionic/poll.cpp
index 41b2657..3290315 100644
--- a/libc/bionic/poll.cpp
+++ b/libc/bionic/poll.cpp
@@ -30,8 +30,9 @@
 #include <sys/poll.h>
 #include <sys/select.h>
 
+#include <platform/bionic/reserved_signals.h>
+
 #include "private/bionic_time_conversions.h"
-#include "private/sigrtmin.h"
 #include "private/SigSetConverter.h"
 
 extern "C" int __ppoll(pollfd*, unsigned int, timespec*, const sigset64_t*, size_t);
diff --git a/libc/bionic/sigaction.cpp b/libc/bionic/sigaction.cpp
index 96e6f3c..583bf32 100644
--- a/libc/bionic/sigaction.cpp
+++ b/libc/bionic/sigaction.cpp
@@ -29,7 +29,7 @@
 #include <signal.h>
 #include <string.h>
 
-#include "private/sigrtmin.h"
+#include <platform/bionic/reserved_signals.h>
 
 extern "C" void __restore_rt(void);
 extern "C" void __restore(void);
diff --git a/libc/bionic/signal.cpp b/libc/bionic/signal.cpp
index 8246cb4..b581b5a 100644
--- a/libc/bionic/signal.cpp
+++ b/libc/bionic/signal.cpp
@@ -36,9 +36,10 @@
 #include <time.h>
 #include <unistd.h>
 
+#include <platform/bionic/reserved_signals.h>
+
 #include "private/ErrnoRestorer.h"
 #include "private/SigSetConverter.h"
-#include "private/sigrtmin.h"
 
 extern "C" int __rt_sigpending(const sigset64_t*, size_t);
 extern "C" int __rt_sigqueueinfo(pid_t, int, siginfo_t*);
diff --git a/libc/bionic/sigprocmask.cpp b/libc/bionic/sigprocmask.cpp
index 5f70f32..8781c9b 100644
--- a/libc/bionic/sigprocmask.cpp
+++ b/libc/bionic/sigprocmask.cpp
@@ -29,7 +29,8 @@
 #include <errno.h>
 #include <signal.h>
 
-#include "private/sigrtmin.h"
+#include <platform/bionic/reserved_signals.h>
+
 #include "private/SigSetConverter.h"
 
 extern "C" int __rt_sigprocmask(int, const sigset64_t*, sigset64_t*, size_t);