drm_hwcomposer: Fix SetColorMode() and SetColorModeWithIntent()

drm_hwcomposer: Fix SetColorMode() and SetColorModeWithIntent()

SetColorMode() should return HWC2_ERROR_UNSUPPORTED [1]

SetColorModeWithIntent() should return HWC2_ERROR_UNSUPPORTED [2]
Parameters range shoud be also checked to pass VTS.

Fixes VtsHalGraphicsComposerV2_2TargetTest:
 - PerInstance/GraphicsComposerHidlTest#SetColorMode_2_2*

============================================
================= Results ==================
    arm64-v8a VtsHalGraphicsComposerV2_2TargetTest: 39s
    armeabi-v7a VtsHalGraphicsComposerV2_2TargetTest: 36s
=============== Summary ===============
2/2 modules completed
Total Tests       : 78
PASSED            : 78
FAILED            : 0
============================================

[1] - https://cs.android.com/android/platform/superproject/+/master:hardware/libhardware/include/hardware/hwcomposer2.h;l=1925;drc=d5f2f67cd2ae63abeccabd0d5339dacd469569cd
[2] - https://cs.android.com/android/platform/superproject/+/master:hardware/libhardware/include/hardware/hwcomposer2.h;l=1952;drc=d5f2f67cd2ae63abeccabd0d5339dacd469569cd
Signed-off-by: Roman Stratiienko <r.stratiienko@gmail.com>