SDK-562 add method to set plugin info.

Author: echo-branch

Branch-SDK/Branch-SDK/BNCDeviceInfo.h

@@ -21,8 +21,9 @@
 - (NSDictionary *) v2dictionary;
 
 /*
- Everything below this line should be private.
- Currently BNCServerInterface updateDeviceInfoToMutableDictionary uses it.
+ Everything below this line should be private.  Thread safety is the callee's responsibility!
+ 
+ Currently BNCServerInterface.updateDeviceInfoToMutableDictionary and unit tests use these.
  */
 
 - (void)checkAdvertisingIdentifier;

Branch-SDK/Branch-SDK/BNCDeviceInfo.m

@@ -55,8 +55,10 @@ - (instancetype)init {
 }
 
 - (void)registerPluginName:(NSString *)name version:(NSString *)version {
-    self.pluginName = name;
-    self.pluginVersion = version;
+    @synchronized (self) {
+        self.pluginName = name;
+        self.pluginVersion = version;
+    }
 }
 
 - (void)loadDeviceInfo {

Branch-SDK/Branch-SDK/Branch.m

@@ -42,6 +42,7 @@
 #import "BNCUserAgentCollector.h"
 #import "BNCAppleSearchAds.h"
 #import "BNCFacebookAppLinks.h"
+#import "BNCDeviceInfo.h"
 
 NSString * const BRANCH_FEATURE_TAG_SHARE = @"share";
 NSString * const BRANCH_FEATURE_TAG_REFERRAL = @"referral";
@@ -2312,6 +2313,9 @@ - (void)dealloc {
     [[NSNotificationCenter defaultCenter] removeObserver:self];
 }
 
+- (void)registerPluginName:(NSString *)name version:(NSString *)version {
+    [[BNCDeviceInfo getInstance] registerPluginName:name version:version];
+}
 
 #pragma mark - BranchDeepLinkingControllerCompletionDelegate methods