Introduce convenient JNI_EXPORTS() macro

commit_hash:3dd7df182800224a90b52e8efa397e4048e6f3fe

Author: georgthegreat

build/ymake.core.conf

@@ -1262,6 +1262,10 @@ macro EXPORTS_SCRIPT(Arg) {
     SET(EXPORTS_FILE $Arg)
 }
 
+macro JNI_EXPORTS() {
+    EXPORTS_SCRIPT(${ARCADIA_ROOT}/build/essentials/jni_exports.exports)
+}
+
 ### @usage: NO_EXPORT_DYNAMIC_SYMBOLS()
 ###
 ### Disable exporting all non-hidden symbols as dynamic when linking a PROGRAM.