Merge changes from topic 'libutils-export-headers'

am: 4af3a7966b

Change-Id: I390c56cfc6312ded05ee359931faabf9517c4067

libbacktrace/Android.bp

@@ -57,6 +57,7 @@ libbacktrace_sources = [
 
 cc_library_headers {
     name: "libbacktrace_headers",
+    vendor_available: true,
     export_include_dirs: ["include"],
 }
 

libsystem/Android.bp

@@ -1,4 +1,15 @@
 cc_library_headers {
     name: "libsystem_headers",
+    vendor_available: true,
+    host_supported: true,
     export_include_dirs: ["include"],
+
+    target: {
+        linux_bionic: {
+            enabled: true,
+        },
+        windows: {
+            enabled: true,
+        },
+    }
 }

libutils/Android.bp

@@ -16,8 +16,22 @@ cc_library_headers {
     name: "libutils_headers",
     vendor_available: true,
     host_supported: true,
+
+    header_libs: [
+        "libsystem_headers",
+        "libcutils_headers"
+    ],
+    export_header_lib_headers: [
+        "libsystem_headers",
+        "libcutils_headers"
+    ],
     export_include_dirs: ["include"],
+
     target: {
+        android: {
+            header_libs: ["libbacktrace_headers"],
+            export_header_lib_headers: ["libbacktrace_headers"],
+        },
         linux_bionic: {
             enabled: true,
         },