I beleive there is no such package available, that is inbuilt with oracle. but you can create one!!
SQL> get cons
  1  create or replace procedure disable_constraints
  2  as
  3  cursor c1 is select constraint_name,table_name from user_constraints;
  4  str varchar2(300);
  5  begin
  6  for mag in c1 loop
  7  exit when c1%notfound;
  8  str:='ALTER TABLE '||mag.table_name||' DISABLE CONSTRAINT '||mag.constraint_name;
  9  execute immediate str;
 10  end loop;
 11* end;
SQL> /

Procedure created.

SQL> get cons2
  1  create or replace procedure enable_constraints
  2  as
  3  cursor c1 is select constraint_name,table_name from user_constraints;
  4  str varchar2(300);
  5  begin
  6  for mag in c1 loop
  7  exit when c1%notfound;
  8  str:='ALTER TABLE '||mag.table_name||' enable CONSTRAINT '||mag.constraint_name;
  9  execute immediate str;
 10  end loop;
 11* end;
SQL> /

Procedure created.

create table exceptions(row_id rowid,
	                owner varchar2(30),
	                table_name varchar2(30),
		        constraint varchar2(30));