Move //webapk to //chrome/android/webapk

chrome/android/webapk/shell_apk/BUILD.gn

Index: chrome/android/webapk/shell_apk/BUILD.gn
diff --git a/webapk/shell_apk/BUILD.gn b/chrome/android/webapk/shell_apk/BUILD.gn
similarity index 97%
rename from webapk/shell_apk/BUILD.gn
rename to chrome/android/webapk/shell_apk/BUILD.gn
index ea0788634472fc75442ca0456532cbcf2e270150..d35741701252f48566e661f400915e8b7ecb132d 100644
--- a/webapk/shell_apk/BUILD.gn
+++ b/chrome/android/webapk/shell_apk/BUILD.gn
@@ -74,7 +74,7 @@ android_apk("webapk") {
     ":dex_loader_lib",
     ":shell_apk_manifest",
     ":shell_apk_resources",
-    "//webapk/libs/common",
+    "//chrome/android/webapk/libs/common",
   ]
 }
 
@@ -85,8 +85,8 @@ android_library("shell_apk_javatests") {
   deps = [
     ":dex_loader_lib",
     "//base:base_java",
+    "//chrome/android/webapk/libs/common",
     "//content/public/test/android:content_java_test_support",
-    "//webapk/libs/common",
   ]
   srcjar_deps = [ "javatests/dex_optimizer:dex_optimizer_service_aidl" ]
 }