Revert of Split iOS sdk in to separate targets

webrtc/sdk/objc/Framework/Classes/PeerConnection/RTCMetricsSampleInfo.mm

-/*
- *  Copyright 2016 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#import "RTCMetricsSampleInfo+Private.h"
-
-#import "NSString+StdString.h"
-
-@implementation RTCMetricsSampleInfo
-
-@synthesize name = _name;
-@synthesize min = _min;
-@synthesize max = _max;
-@synthesize bucketCount = _bucketCount;
-@synthesize samples = _samples;
-
-#pragma mark - Private
-
-- (instancetype)initWithNativeSampleInfo:
-    (const webrtc::metrics::SampleInfo &)info {
-  if (self = [super init]) {
-    _name = [NSString stringForStdString:info.name];
-    _min = info.min;
-    _max = info.max;
-    _bucketCount = info.bucket_count;
-
-    NSMutableDictionary *samples =
-        [NSMutableDictionary dictionaryWithCapacity:info.samples.size()];
-    for (auto const &sample : info.samples) {
-      [samples setObject:@(sample.second) forKey:@(sample.first)];
-    }
-    _samples = samples;
-  }
-  return self;
-}
-
-@end