Add Namespace into android/gradle.build for suport to gradle 8+

[SeltonJeff]

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Please add "namespace" into /android/build.gradle => android, for compatibility with gradle 8+. EX:

android { namespace 'reactnativeexceptionhandler' compileSdkVersion getExtValue(rootProject,'compileSdkVersion',23) buildToolsVersion getExtValue(rootProject,'buildToolsVersion', "23.0.1")

defaultConfig {
    minSdkVersion getExtValue(rootProject,'minSdkVersion', 16)
    targetSdkVersion getExtValue(rootProject,'targetSdkVersion', 22)
    versionCode 1
    versionName "1.0"
}
lintOptions {
    abortOnError false
}

}