Add DENSITY_440

Add 440dpi as a supported screen density

Bug: 72424600

Test: run android.dpi.cts.ConfigurationTest#testScreenConfiguration and android.app.cts.ActivityManagerMemoryClassTest#testGetMemoryClass

Change-Id: I0dbf998ae02515a97f0d5668eeedc7098da4cca4
Signed-off-by: weijuncheng <weijuncheng@xiaomi.com>