Merge changes from topic "fix-omx-dependencies"

* changes:
  Add vendor_available to liblog_headers.
  Add sys/cdefs.h to log/log_main.h.

liblog/Android.bp

@@ -42,6 +42,24 @@ liblog_target_sources = [
     "logd_writer.c",
 ]
 
+cc_library_headers {
+    name: "liblog_headers",
+    host_supported: true,
+    vendor_available: true,
+    export_include_dirs: ["include"],
+    target: {
+        windows: {
+            enabled: true,
+        },
+        linux_bionic: {
+            enabled: true,
+        },
+        vendor: {
+            export_include_dirs: ["include_vndk"],
+        },
+    },
+}
+
 // Shared and static library for host and device
 // ========================================================
 cc_library {
@@ -81,7 +99,8 @@ cc_library {
         },
     },
 
-    export_include_dirs: ["include"],
+    header_libs: ["liblog_headers"],
+    export_header_lib_headers: ["liblog_headers"],
 
     cflags: [
         "-Werror",
@@ -100,7 +119,7 @@ cc_library {
 }
 
 ndk_headers {
-    name: "liblog_headers",
+    name: "liblog_ndk_headers",
     from: "include/android",
     to: "android",
     srcs: ["include/android/log.h"],

liblog/include/log/log_main.h

@@ -18,10 +18,9 @@
 #define _LIBS_LOG_LOG_MAIN_H
 
 #include <android/log.h>
+#include <sys/cdefs.h>
 
-#ifdef __cplusplus
+__BEGIN_DECLS
-extern "C" {
-#endif
 
 /*
  * Normally we strip the effects of ALOGV (VERBOSE messages),
@@ -385,8 +384,6 @@ int __android_log_is_loggable_len(int prio, const char* tag, size_t len,
 #pragma clang diagnostic pop
 #endif
 
-#ifdef __cplusplus
+__END_DECLS
-}
-#endif
 
 #endif /* _LIBS_LOG_LOG_MAIN_H */

libutils/Android.bp

@@ -18,10 +18,12 @@ cc_library_headers {
     host_supported: true,
 
     header_libs: [
+        "liblog_headers",
         "libsystem_headers",
         "libcutils_headers"
     ],
     export_header_lib_headers: [
+        "liblog_headers",
         "libsystem_headers",
         "libcutils_headers"
     ],