Use blocklist sub-property in sanitize

Update language to comply with Android’s inclusive language guidance

See https://source.android.com/setup/contribute/respectful-code for
reference

Bug: 161896447
Bug: 162245450

Test: build topic
Change-Id: I6837acd4a1e581625d2b0ca05fcb186bd053aaf3
diff --git a/Android.bp.in b/Android.bp.in
index 612551c..8ed278f 100644
--- a/Android.bp.in
+++ b/Android.bp.in
@@ -56,7 +56,7 @@
         misc_undefined: ["bounds"],
         // Enable CFI if this becomes a shared library.
         // cfi: true,
-        blacklist: "libvpx_blacklist.txt",
+        blocklist: "libvpx_blocklist.txt",
     },
 }