[android] Fixed release error with R8 shrinking

Signed-off-by: Alexander Borsuk <me@alex.bio>

android/build.gradle

@@ -26,6 +26,7 @@ buildscript {
   ext.googleFirebaseServicesEnabled = project.hasProperty('firebase') ?: googleFirebaseServicesDefault
 
   dependencies {
+    classpath 'com.android.tools:r8:3.3.28'
     classpath 'com.android.tools.build:gradle:7.2.1'
 
     if (googleMobileServicesEnabled) {

android/proguard-mwm.txt

@@ -6,6 +6,11 @@
   !transient <fields>;
 }
 
+# Enabling shrinking causes
+# Execution failed for task ':minifyFdroidReleaseWithR8'.
+# > com.android.tools.r8.CompilationFailedException: Compilation failed to complete
+-dontshrink
+
 -keepnames class * implements com.mapswithme.util.Gsonable {
   !transient <fields>;
 }