Revert "Bundle Cronet's boringssl"

This reverts commit 2cd4ac872558c6248e8c641eb263547445ca0dec.

Reason for revert: b/273575026

Change-Id: I5b9886465b8a0f71af469d303a39f670a9b0cb68
diff --git a/Tethering/common/TetheringLib/Android.bp b/Tethering/common/TetheringLib/Android.bp
index b99c9e4..4080029 100644
--- a/Tethering/common/TetheringLib/Android.bp
+++ b/Tethering/common/TetheringLib/Android.bp
@@ -75,12 +75,12 @@
 
 java_defaults {
     name: "CronetJavaDefaultsEnabled",
-    srcs: ["//external/cronet:cronet_aml_api_sources"],
+    srcs: [":cronet_aml_api_sources"],
     libs: [
         "androidx.annotation_annotation",
     ],
     impl_only_static_libs: [
-        "//external/cronet:cronet_aml_java",
+        "cronet_aml_java",
     ],
     api_dir: "cronet_enabled/api",
 }
@@ -101,8 +101,8 @@
 java_defaults {
   name: "CronetJavaPrejarjarDefaultsEnabled",
   static_libs: [
-    "//external/cronet:cronet_aml_api_java",
-    "//external/cronet:cronet_aml_java"
+    "cronet_aml_api_java",
+    "cronet_aml_java"
   ],
 }