Reorganize buildTypes gradle config

* disable minify (proguard) on all build types
* explicitly disable resource shrinking on all build types

F-Droid/build.gradle

@@ -152,13 +152,12 @@ android {
     }
 
     buildTypes {
-        release {
+        all {
             minifyEnabled false
+            shrinkResources false // requires minify (proguard)
         }
-        buildTypes {
-            debug {
-                debuggable true
-            }
+        debug {
+            debuggable true
         }
     }