Updated gradle wrapper and cleaned up files

app/proguard-rules.pro

@@ -1,11 +1,14 @@
-# Please add these rules to your existing keep rules in order to suppress warnings.
-# This is generated automatically by the Android Gradle plugin.
--dontwarn org.bouncycastle.jsse.BCSSLParameters
--dontwarn org.bouncycastle.jsse.BCSSLSocket
--dontwarn org.bouncycastle.jsse.provider.BouncyCastleJsseProvider
--dontwarn org.conscrypt.Conscrypt$Version
--dontwarn org.conscrypt.Conscrypt
--dontwarn org.conscrypt.ConscryptHostnameVerifier
--dontwarn org.openjsse.javax.net.ssl.SSLParameters
--dontwarn org.openjsse.javax.net.ssl.SSLSocket
--dontwarn org.openjsse.net.ssl.OpenJSSE
+# JSR 305 annotations are for embedding nullability information.
+-dontwarn javax.annotation.**
+
+# A resource is loaded with a relative path so the package of this class must be preserved.
+-adaptresourcefilenames okhttp3/internal/publicsuffix/PublicSuffixDatabase.gz
+
+# Animal Sniffer compileOnly dependency to ensure APIs are compatible with older versions of Java.
+-dontwarn org.codehaus.mojo.animal_sniffer.*
+
+# OkHttp platform used only on JVM and when Conscrypt and other security providers are available.
+-dontwarn okhttp3.internal.platform.**
+-dontwarn org.conscrypt.**
+-dontwarn org.bouncycastle.**
+-dontwarn org.openjsse.**