hwc: Bump up version to 1.4

Add support for setPowerMode HWC_POWER_MODE_DOZE and
HWC_POWER_MODE_DOZE_SUSPEND are treated equally.

getActiveConfig and setActiveConfig only support the default 0th
config for now.

Change-Id: I0303ed077409a66d9666c840cad8d917d7aad600
1 file changed