EGL: always set data space even for UNKNOWN

Set dataSpace even if it could be HAL_DATASPACE_UNKNOWN.
HAL_DATASPACE_UNKNOWN is the initial value, but it may
have been set to other value.

Bug: b/118093231
Test: NV internal regression tests including dEQP
Test: EGL_test --gtest_filter=EGLTest.EGLCreateWindowTwoColorspaces

Change-Id: Ifb64077dc0c39ebd1f7ec2641590b218bf6070d7