1. Refine the battery header view
2. Move stats section to the place above power management
3. Add last full charge battery stat
4. Add the disclaimer as a footer
Also update the method name in test file, and this ui changes
also fix the header flash problem.
Bug: 36576021
Bug: 36494178
Test: RunSettingsRoboTests
Change-Id: I9784dbbbe16e61da7287f300183347dd4eee6a2b
(cherry picked from commit edfd09d590)
1. Show gauge icon at the top of battery main page instead of
battery usage graph.
2. Move the click action from battery usage graph to gauge icon.
Bug: 34387464
Test: RunSettingsRoboTest
Change-Id: Ib182619d6805b401cde03a50e2ae907cf4df7b94