RTC write enable, date time restore after reboot fix

Change-Id: I1e4b08cd3484edf68802d45f7d2148d5ac5051a8
in call audio test fixes

Change-Id: I6fb909e141bbd8a77f7488a0273399ffbb9451ee
Revert "in call audio test fixes"

This reverts commit 8ea79efea5d3af05f72d015f66a323eda48ff600.
a2020 little fixes

Change-Id: Ibbc2d9059c5a694dfe204eca6ec003fdbfef6be2
Merge pull request #11 from jied83/jellybean

RTC write enable, date time restore after reboot fix