Replace starts_with and ends_with with Abseil

Bug: None
Change-Id: I7eae3db1aeb81f0f1d37ff50d5c85c16ecb1f366
Reviewed-on: https://webrtc-review.googlesource.com/c/114221
Commit-Queue: Steve Anton <steveanton@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26032}
diff --git a/rtc_tools/BUILD.gn b/rtc_tools/BUILD.gn
index 4cdfd09..aef8238 100644
--- a/rtc_tools/BUILD.gn
+++ b/rtc_tools/BUILD.gn
@@ -69,6 +69,7 @@
     "../api/video:video_frame_i420",
     "../rtc_base:checks",
     "../rtc_base:rtc_base_approved",
+    "//third_party/abseil-cpp/absl/strings",
     "//third_party/abseil-cpp/absl/types:optional",
   ]
 }
@@ -83,6 +84,7 @@
     "../api/video:video_frame",
     "../api/video:video_frame_i420",
     "../rtc_base:rtc_base_approved",
+    "//third_party/abseil-cpp/absl/strings",
     "//third_party/abseil-cpp/absl/types:optional",
   ]
 }
@@ -128,6 +130,7 @@
     "../rtc_base:ptr_util",
     "../rtc_base:stringutils",
     "../test:perf_test",
+    "//third_party/abseil-cpp/absl/strings",
   ]
 }