Enable NewApi lint checks on service-connectivity

This should help find changes that do not do proper NewApi checks
in presubmit, and when building with RUN_ERROR_PRONE=true

Test: m
Change-Id: I87ce56d9df2eb27dafd2ec8d2c814c83098a979f
diff --git a/service/Android.bp b/service/Android.bp
index a65d664..f574e6b 100644
--- a/service/Android.bp
+++ b/service/Android.bp
@@ -195,7 +195,10 @@
     apex_available: [
         "com.android.tethering",
     ],
-    lint: { strict_updatability_linting: true },
+    lint: {
+        error_checks: ["NewApi"],
+        strict_updatability_linting: true,
+    },
     visibility: [
         "//packages/modules/Connectivity/service-t",
         "//packages/modules/Connectivity/tests:__subpackages__",
@@ -261,6 +264,7 @@
         proguard_flags_files: ["proguard.flags"],
     },
     lint: {
+        error_checks: ["NewApi"],
         strict_updatability_linting: true,
     },
 }