Enable integer overflow sanitization for libavc.

This enables integer overflow sanitization for libavc, initially in
diagnostics mode.

Bug: 110791537
Test: CTS tests
Change-Id: Ida5679156d866ed24f468867244bb00a10d967ca
diff --git a/Android.bp b/Android.bp
index 4abfa16..f898ff0 100644
--- a/Android.bp
+++ b/Android.bp
@@ -234,10 +234,12 @@
 
     sanitize: {
     	cfi: true,
+        integer_overflow: true,
         diag: {
             cfi: true,
+            integer_overflow: true,
         },
-        blacklist: "cfi_blacklist.txt",
+        blacklist: "libavc_blacklist.txt",
     },
 }
 
@@ -503,10 +505,12 @@
 
     sanitize: {
     	cfi: true,
+        integer_overflow: true,
         diag: {
             cfi: true,
+            integer_overflow: true,
         },
-        blacklist: "cfi_blacklist.txt",
+        blacklist: "libavc_blacklist.txt",
     },
 }