Add libquiche_static and use cargo2android.json to generate bp file

In order to solve the compatibility issue for
doh_unit_test, it's required to have a quiche
target statically linked to libcrypto_static and libssl.

Bug: 186070162
Test: TH
Test: atest doh_unit_test
Original-Change: https://android-review.googlesource.com/1710969
Merged-In: If2d0a95fb112942ceec252232486cd6392d11731
Change-Id: If2d0a95fb112942ceec252232486cd6392d11731
diff --git a/TEST_MAPPING b/TEST_MAPPING
index d06f91d..ba9a257 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -1,7 +1,10 @@
-// Generated by cargo2android.py for tests in Android.bp
+// Generated by update_crate_tests.py for tests that depend on this crate.
 {
   "presubmit": [
     {
+      "name": "doh_unit_test"
+    },
+    {
       "name": "quiche_device_test_src_lib"
     }
   ]