ANDROID: create initial symbol lists for android12-5.10

Bug: 175534863
Signed-off-by: Matthias Maennich <maennich@google.com>
Change-Id: I99bb33802b001bbe9e0adb96b52ba81b9df3b30b
diff --git a/build.config.common b/build.config.common
index 870ffbf..c4ab942 100644
--- a/build.config.common
+++ b/build.config.common
@@ -12,4 +12,4 @@
 IN_KERNEL_MODULES=1
 DO_NOT_STRIP_MODULES=1
 
-HERMETIC_TOOLCHAIN=1
+HERMETIC_TOOLCHAIN=${HERMETIC_TOOLCHAIN:-1}