add #define BPFLOADER_MAINLINE_VERSION 42u

See: //packages/modules/Connectivity/netbpfload/loader.cpp
  // This is Network BpfLoader v0.42
  #define BPFLOADER_VERSION_MAJOR 0u
  #define BPFLOADER_VERSION_MINOR 42u

Test: N/A
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: Ieeed6d402de06d3f01e151c2c9ee44270c53323c
diff --git a/staticlibs/native/bpf_headers/include/bpf/bpf_helpers.h b/staticlibs/native/bpf_headers/include/bpf/bpf_helpers.h
index 6f7f64a..ac922cd 100644
--- a/staticlibs/native/bpf_headers/include/bpf/bpf_helpers.h
+++ b/staticlibs/native/bpf_headers/include/bpf/bpf_helpers.h
@@ -39,6 +39,9 @@
 // Android U / 14 (api level 34) - various new program types added
 #define BPFLOADER_U_VERSION 37u
 
+// Android V / 15 (api level 35) - this bpfloader should eventually go back to T
+#define BPFLOADER_MAINLINE_VERSION 42u
+
 /* For mainline module use, you can #define BPFLOADER_{MIN/MAX}_VER
  * before #include "bpf_helpers.h" to change which bpfloaders will
  * process the resulting .o file.