Drop support for beta versions of Android T.

Android T beta3/4 haven't been tested in ages,
and were really only tested for the transition to final T
nearly a year ago.

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I520e60026179c078859572231b86184796182142
diff --git a/bpf_progs/dscpPolicy.c b/bpf_progs/dscpPolicy.c
index 72f63c6..262b65b 100644
--- a/bpf_progs/dscpPolicy.c
+++ b/bpf_progs/dscpPolicy.c
@@ -27,8 +27,8 @@
 #include <stdint.h>
 #include <string.h>
 
-// The resulting .o needs to load on the Android T beta 3 bpfloader
-#define BPFLOADER_MIN_VER BPFLOADER_T_BETA3_VERSION
+// The resulting .o needs to load on the Android T bpfloader
+#define BPFLOADER_MIN_VER BPFLOADER_T_VERSION
 
 #include "bpf_helpers.h"
 #include "dscpPolicy.h"