reign in proguard on androidTest

app/src/androidTest/proguard-rules.pro

@@ -1,3 +1,7 @@
+-dontoptimize
+-dontwarn
+-dontobfuscate
+
 -dontwarn android.test.**
 -dontwarn android.support.test.**
 -dontnote junit.framework.**
@@ -14,3 +18,8 @@
 
 -keep class junit.** { *; }
 -dontwarn junit.**
+
+# This is necessary so that RemoteWorkManager can be initialized (also marked with @Keep)
+-keep class androidx.work.multiprocess.RemoteWorkManagerClient {
+    public <init>(...);
+}