Skip composition of frames lacking a color map

Bug:68399117

Change-Id: I32f1d6856221b8a60130633edb69da2d2986c27c
(cherry picked from commit 0dc887f70eeea8d707cb426b96c6756edd1c607d)

static bool acceptsBuffers() {
 return false;
}

static bool acceptsBuffers() {
 return false;
}
