8304871: Use default visibility for static library builds

Reviewed-by: erikj, dholmes

Author: jerboaa

make/autoconf/flags-cflags.m4

@@ -637,7 +637,7 @@ AC_DEFUN([FLAGS_SETUP_CFLAGS_HELPER],
   STATIC_LIBS_CFLAGS="-DSTATIC_BUILD=1"
   if test "x$TOOLCHAIN_TYPE" = xgcc || test "x$TOOLCHAIN_TYPE" = xclang; then
     STATIC_LIBS_CFLAGS="$STATIC_LIBS_CFLAGS -ffunction-sections -fdata-sections \
-      -DJNIEXPORT='__attribute__((visibility(\"hidden\")))'"
+      -DJNIEXPORT='__attribute__((visibility(\"default\")))'"
   else
     STATIC_LIBS_CFLAGS="$STATIC_LIBS_CFLAGS -DJNIEXPORT="
   fi