Fix some Bugs of Bad Super Call

[Jiangxinz]

PR types

Bug fixes

PR changes

Others

Describe

1. In python/paddle/fluid/tests/unittests/test_fleet_metric.py:
   Line 38: Bad first argument 'UtilBase' given to super()
   use 'FakeUtil' instead of 'UtilBase'
2. In python/paddle/fluid/entry_attr.py:
   Line 43, 60: Bad first argument 'EntryAttr' given to super()
   use 'ProbabilityEntry' instead of 'EntryAttr'
   use 'CountFilterEntry' instead of 'EntryAttr'
3. In python/paddle/distributed/entry_attr.py:
   Line 85, 125: Bad first argument 'EntryAttr' given to super()
   use 'ProbabilityEntry' instead of 'EntryAttr'
   use 'CountFilterEntry' instead of 'EntryAttr'
4. In python/paddle/fluid/tests/unittests/test_backward.py:
   Line 163, 333: Bad first argument 'BackwardNet' given to super()
   use 'SimpleNet' instead of 'BackwardNet'
   use 'ConditionalNet' instead of 'BackwardNet'
5. In python/paddle/fluid/tests/unittests/test_fleet_rolemaker_2.py:
   Line 202: Bad first argument 'Fleet' given to super()
   use 'TmpFleet' instead of 'Fleet'
6. In python/paddle/fluid/tests/unittests/mkldnn/test_conv2d_transpose_mkldnn_op.py:
   Line 138: Bad first argument 'TestMKLDNNWithValidPad' given to super()
   use 'TestMKLDNNWithValidPad_NHWC' instead of 'TestMKLDNNWithValidPad'
7. In python/paddle/fluid/incubate/fleet/base/role_maker.py
   Line 594: Bad first argument 'RoleMakerBase' given to super()
   use 'GeneralRoleMaker' instead of 'RoleMakerbase'

[wanghuancoder]

LGTM