Update git submodules

* Update platform/bionic from branch 'master'
  to 68e4f49c063fd96bf6ae58c040fdb50c7e9126f6
  - Merge "Fix wrong variable reference."
  - Fix wrong variable reference.
    
    Bug: 125891203
    
    Test: Verify that setting the program property to "" doesn't trigger
    Test: heapprofd.
    Change-Id: Id27cbb92c7a120d02151e29be993f369230c2de8
    

* Update platform/superproject from branch 'master'
  to e6307ca0353bef7de58df9569fed663d9f6ed7cf
  - Update git submodules
    
    * Update bionic from branch 'master'
      to 68e4f49c063fd96bf6ae58c040fdb50c7e9126f6
      - Merge "Fix wrong variable reference."
      - Fix wrong variable reference.
        
        Bug: 125891203
        
        Test: Verify that setting the program property to "" doesn't trigger
        Test: heapprofd.
        Change-Id: Id27cbb92c7a120d02151e29be993f369230c2de8
        
2 files changed