Add min_ce/max_ce parameters to requestLeConnectionUpdate()

Add new test parameters, min_ce and max_ce, to the SL4A tests for LE
Connection-oriented Channel (CoC) feature. This CL passes these 2
parameters to native stack.

Test: Run cmd: act.py -c $MY_SL4A_CONFIG -tc BleCoc2ConnTest
Bug: 77528723

Change-Id: I9d3d74f671772014209f8114c2d1b8ba606c54d5
(cherry picked from commit 148dd5bf)