Rename quiche/oblivious_http/buffers/oblivious_http_integration_test.cc

`quiche/oblivious_http/buffers/oblivious_http_integration_test.cc`

becomes

`quiche/oblivious_http/buffers/oblivious_http_buffers_integration_test.cc`

This will resolve a conflict in open-source QUICHE `BUILD.bazel` with

`quiche/oblivious_http/oblivious_http_integration_test.cc`

PiperOrigin-RevId: 864344126
diff --git a/build/source_list.bzl b/build/source_list.bzl
index aea5def..936906c 100644
--- a/build/source_list.bzl
+++ b/build/source_list.bzl
@@ -1228,7 +1228,7 @@
     "http2/test_tools/http2_frame_builder_test.cc",
     "http2/test_tools/http2_random_test.cc",
     "http2/test_tools/random_decoder_test_base_test.cc",
-    "oblivious_http/buffers/oblivious_http_integration_test.cc",
+    "oblivious_http/buffers/oblivious_http_buffers_integration_test.cc",
     "oblivious_http/buffers/oblivious_http_request_test.cc",
     "oblivious_http/buffers/oblivious_http_response_test.cc",
     "oblivious_http/common/oblivious_http_header_key_config_test.cc",
diff --git a/build/source_list.gni b/build/source_list.gni
index 2250ea9..fdeba3b 100644
--- a/build/source_list.gni
+++ b/build/source_list.gni
@@ -1229,7 +1229,7 @@
     "src/quiche/http2/test_tools/http2_frame_builder_test.cc",
     "src/quiche/http2/test_tools/http2_random_test.cc",
     "src/quiche/http2/test_tools/random_decoder_test_base_test.cc",
-    "src/quiche/oblivious_http/buffers/oblivious_http_integration_test.cc",
+    "src/quiche/oblivious_http/buffers/oblivious_http_buffers_integration_test.cc",
     "src/quiche/oblivious_http/buffers/oblivious_http_request_test.cc",
     "src/quiche/oblivious_http/buffers/oblivious_http_response_test.cc",
     "src/quiche/oblivious_http/common/oblivious_http_header_key_config_test.cc",
diff --git a/build/source_list.json b/build/source_list.json
index a1d4cff..27714a5 100644
--- a/build/source_list.json
+++ b/build/source_list.json
@@ -1228,7 +1228,7 @@
     "quiche/http2/test_tools/http2_frame_builder_test.cc",
     "quiche/http2/test_tools/http2_random_test.cc",
     "quiche/http2/test_tools/random_decoder_test_base_test.cc",
-    "quiche/oblivious_http/buffers/oblivious_http_integration_test.cc",
+    "quiche/oblivious_http/buffers/oblivious_http_buffers_integration_test.cc",
     "quiche/oblivious_http/buffers/oblivious_http_request_test.cc",
     "quiche/oblivious_http/buffers/oblivious_http_response_test.cc",
     "quiche/oblivious_http/common/oblivious_http_header_key_config_test.cc",
diff --git a/quiche/oblivious_http/buffers/oblivious_http_integration_test.cc b/quiche/oblivious_http/buffers/oblivious_http_buffers_integration_test.cc
similarity index 100%
rename from quiche/oblivious_http/buffers/oblivious_http_integration_test.cc
rename to quiche/oblivious_http/buffers/oblivious_http_buffers_integration_test.cc