Read the bare minimum of data from the WebAPK launch intent.

chrome/android/webapk/libs/runtime_library/BUILD.gn

Index: chrome/android/webapk/libs/runtime_library/BUILD.gn
diff --git a/chrome/android/webapk/libs/runtime_library/BUILD.gn b/chrome/android/webapk/libs/runtime_library/BUILD.gn
index 6c52d615e34d3473d40cc779e0ad30bdd693bac6..4737203c3945e8972534765a4d7a233d6a5a5ac3 100644
--- a/chrome/android/webapk/libs/runtime_library/BUILD.gn
+++ b/chrome/android/webapk/libs/runtime_library/BUILD.gn
@@ -31,13 +31,8 @@ android_library("webapk_service_aidl_java") {
 # library because the dx tool expects files ending in .dex.jar
 android_library("runtime_library_for_assets_java") {
   dex_path = "$target_gen_dir/$runtime_library_dex_asset_name"
-  java_files = [
-    "src/org/chromium/webapk/lib/runtime_library/HostBrowserLauncher.java",
-    "src/org/chromium/webapk/lib/runtime_library/WebApkServiceImpl.java",
-  ]
-  deps = [
-    "//chrome/android/webapk/libs/common:common_java",
-  ]
+  java_files =
+      [ "src/org/chromium/webapk/lib/runtime_library/WebApkServiceImpl.java" ]
   srcjar_deps = [ ":webapk_service_aidl" ]
 }