Introduce a layering in the invalidation component as public and impl

chrome/android/BUILD.gn

Index: chrome/android/BUILD.gn
diff --git a/chrome/android/BUILD.gn b/chrome/android/BUILD.gn
index a7fb1286d2a4e90f07bca24d378eaf86cf5f8239..9950eff1cc477db2266679a60f214d14f4fe13dc 100644
--- a/chrome/android/BUILD.gn
+++ b/chrome/android/BUILD.gn
@@ -124,7 +124,7 @@ android_library("chrome_java") {
     "//components/dom_distiller/android:dom_distiller_content_java",
     "//components/dom_distiller/android:dom_distiller_core_java",
     "//components/gcm_driver/android:gcm_driver_java",
-    "//components/invalidation:java",
+    "//components/invalidation/impl:java",
     "//components/navigation_interception/android:navigation_interception_java",
     "//components/service_tab_launcher:service_tab_launcher_java",
     "//components/precache/android:precache_java",
@@ -451,8 +451,8 @@ android_library("chrome_javatests") {
     "//chrome/test/android:chrome_java_test_support",
     "//components/bookmarks/common/android:bookmarks_java",
     "//components/dom_distiller/android:dom_distiller_core_java",
-    "//components/invalidation:java",
-    "//components/invalidation:javatests",
+    "//components/invalidation/impl:java",
+    "//components/invalidation/impl:javatests",
     "//components/navigation_interception/android:navigation_interception_java",
     "//components/precache/android:precache_java",
     "//components/precache/android:precache_javatests",
@@ -538,7 +538,7 @@ if (false) {
       "//base:base_java",
       "//base:base_java_test_support",
       "//chrome/test/android:chrome_java_test_support",
-      "//components/invalidation:java",
+      "//components/invalidation/impl:java",
       "//content/public/android:content_java",
       "//content/public/test/android:content_java_test_support",
       "//sync/android:sync_java",
@@ -597,8 +597,7 @@ zip("chrome_version_srcjar") {
 #GYP: //chrome/android/chrome_apk.gyp:custom_tabs_service_aidl
 android_aidl("custom_tabs_service_aidl") {
   import_include = "java/src/org/chromium/chrome/browser/customtabs"
-  interface_file =
-      "java/src/org/chromium/chrome/browser/customtabs/common.aidl"
+  interface_file = "java/src/org/chromium/chrome/browser/customtabs/common.aidl"
   sources = [
     "java/src/org/chromium/chrome/browser/customtabs/ICustomTabsConnectionCallback.aidl",
     "java/src/org/chromium/chrome/browser/customtabs/ICustomTabsConnectionService.aidl",
@@ -623,7 +622,7 @@ android_library("chrome_staging_test_java") {
     "//chrome/test/android:chrome_java_test_support",
     "//components/bookmarks/common/android:bookmarks_java",
     "//components/dom_distiller/android:dom_distiller_core_java",
-    "//components/invalidation:java",
+    "//components/invalidation/impl:java",
     "//components/web_contents_delegate_android:web_contents_delegate_android_java",
     "//content/public/android:content_java",
     "//content/public/test/android:content_java_test_support",