Fix errorprone warnings that should be errors am: a8f72f0e21 am: e5a326cd96 am: ad71dcb9c7

Original change: https://android-review.googlesource.com/c/platform/external/nanohttpd/+/2254824

Change-Id: I160814456368be0e84743f365eee04f1e5d7953f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/Android.bp b/Android.bp
index d612612..b9552e8 100644
--- a/Android.bp
+++ b/Android.bp
@@ -41,6 +41,12 @@
         "webserver/src/main/**/*.java",
     ],
     sdk_version: "current",
+    errorprone: {
+        javacflags: [
+            "-Xep:BadShiftAmount:WARN",
+            "-Xep:DoubleBraceInitialization:WARN",
+        ],
+    },
 }
 
 java_library {
@@ -50,4 +56,9 @@
         "websocket/src/main/**/*.java",
     ],
     sdk_version: "current",
+    errorprone: {
+        javacflags: [
+            "-Xep:BadShiftAmount:WARN",
+        ],
+    },
 }