Implement InlinedVector independently of absl.
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index c127660..a64f5e4 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -423,6 +423,7 @@
                       'src/core/lib/support/debug_location.h',
                       'src/core/lib/support/ref_counted.h',
                       'src/core/lib/support/ref_counted_ptr.h',
+                      'src/core/lib/support/vector.h',
                       'src/core/lib/surface/alarm_internal.h',
                       'src/core/lib/surface/api_trace.h',
                       'src/core/lib/surface/call.h',
@@ -903,6 +904,7 @@
                               'src/core/lib/support/debug_location.h',
                               'src/core/lib/support/ref_counted.h',
                               'src/core/lib/support/ref_counted_ptr.h',
+                              'src/core/lib/support/vector.h',
                               'src/core/lib/surface/alarm_internal.h',
                               'src/core/lib/surface/api_trace.h',
                               'src/core/lib/surface/call.h',