To be able to control the Vr compatibility virtual display's is useful.
In this case, it will be useful to control and test the
CompatibilityDisplayProperties API in VrManager.
Bug: 37260266
Test: adb shell set-compatibility-display-properties 500 500 500
adb shell dumpsys display
>> mBaseDisplayInfo=DisplayInfo{"VR 2D Display", uniqueId
"virtual:android,1000,VR 2D Display,0", app 500 x 500, real 500
x 500, largest app 500 x 500, smallest app 500 x 500, mode 6,
defaultMode 6, modes [{id=6, width=500, height=500, fps=60.0}],
colorMode 0, supportedColorModes [0], hdrCapabilities null,
rotation 0, density 500 (500.0 x 500.0) dpi...
Change-Id: Ice5bc569f380154bf2d9e9f9b9387e801d678774
Signed-off-by: Karthik Ravi Shankar <karthikrs@google.com>