Bump kotlinx-coroutines-core from 1.4.2 to 1.4.3-native-mt in /android

Bumps [kotlinx-coroutines-core](https://github.com/Kotlin/kotlinx.coroutines) from 1.4.2 to 1.4.3-native-mt.
- [Release notes](https://github.com/Kotlin/kotlinx.coroutines/releases)
- [Changelog](https://github.com/Kotlin/kotlinx.coroutines/blob/master/CHANGES.md)
- [Commits](https://github.com/Kotlin/kotlinx.coroutines/commits)

Signed-off-by: dependabot[bot] <support@github.com>

android/build.gradle

@@ -135,7 +135,7 @@ dependencies {
   api 'com.facebook.react:react-native:+'
 
   implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
-  implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.4.2"
+  implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.4.3-native-mt"
   implementation "org.jetbrains.kotlinx:kotlinx-coroutines-guava:1.4.3-native-mt"
 
   implementation "androidx.camera:camera-core:1.1.0-alpha02"