[Android] Rename package_name in java_cpp_template to package_path.

base/BUILD.gn

Index: base/BUILD.gn
diff --git a/base/BUILD.gn b/base/BUILD.gn
index 7714190534fc23bd8b879ffb3e119916d6c144d3..e6b2c640dc87b3e3baee5a0b7795ebf4ecd0b276 100644
--- a/base/BUILD.gn
+++ b/base/BUILD.gn
@@ -2664,7 +2664,7 @@ if (is_android) {
     sources = [
       "android/java/templates/BuildConfig.template",
     ]
-    package_name = "org/chromium/base"
+    package_path = "org/chromium/base"
 
     defines = []
     if (is_java_debug || dcheck_always_on) {
@@ -2676,7 +2676,7 @@ if (is_android) {
     sources = [
       "android/java/templates/NativeLibraries.template",
     ]
-    package_name = "org/chromium/base/library_loader"
+    package_path = "org/chromium/base/library_loader"
   }
 
   android_library("base_java_unittest_support") {