Runtime resolution changes

Changed the names of existing display mode APIs.
Added similar APIs in Display class, so that
resolution and refresh rate settings can be pesisted for each display.
The APIs can now be used to set display mode (or only resolution or
refreshRate).

Bug: 206911689
Test: atest DefaultDisplayModeTest

Change-Id: I19655fc347d36e45b5664e2b6faa3d58b5d7004c