Fix account provider change on nightly and release (#861)

* Use parallelMap (same code)

* Add proguard rules. Fixes #818

* Rename file proguard-rules.pro to consumer-rules.pro for coherency.

* Remove empty and non-referenced proguard files.

libraries/network/build.gradle.kts

@@ -20,6 +20,13 @@ plugins {
 
 android {
     namespace = "io.element.android.libraries.network"
+
+    buildTypes {
+        release {
+            isMinifyEnabled = true
+            consumerProguardFiles("consumer-rules.pro")
+        }
+    }
 }
 
 anvil {

libraries/network/consumer-rules.pro

@@ -0,0 +1,9 @@
+# From https://github.com/square/retrofit/issues/3751#issuecomment-1192043644
+# Keep generic signature of Call, Response (R8 full mode strips signatures from non-kept items).
+-keep,allowobfuscation,allowshrinking interface retrofit2.Call
+-keep,allowobfuscation,allowshrinking class retrofit2.Response
+
+# With R8 full mode generic signatures are stripped for classes that are not
+# kept. Suspend functions are wrapped in continuations where the type argument
+# is used.
+-keep,allowobfuscation,allowshrinking class kotlin.coroutines.Continuation