Merge changes I6e788488,If2cb0616,I0e325837,I08031cd0,I5220a10b

* changes:
  CI: Add riscv64gc-unknown-linux-gnu support to mk/.
  bigint: Provide a fallback implementation for `bn_mul_mont`.
  Manually apply prefixed symbols from build.rs
  Manually update Android.bp after ugprade to ring 0.17.0-alpha.11
  Upgrade ring to 0.17.0-alpha.11
diff --git a/TEST_MAPPING b/TEST_MAPPING
index 30f8c51..d53283e 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -6,6 +6,9 @@
     },
     {
       "path": "external/rust/crates/webpki"
+    },
+    {
+      "path": "packages/modules/DnsResolver"
     }
   ],
   "postsubmit": [
@@ -28,9 +31,6 @@
   ],
   "presubmit": [
     {
-      "name": "doh_unit_test"
-    },
-    {
       "name": "ring_test_tests_aead_tests"
     },
     {
@@ -69,9 +69,6 @@
   ],
   "presubmit-rust": [
     {
-      "name": "doh_unit_test"
-    },
-    {
       "name": "ring_test_tests_aead_tests"
     },
     {