Disable ProsGuard for debug builds

OpenKeychain/build.gradle

@@ -185,7 +185,7 @@ android {
     buildTypes {
         release {
             minifyEnabled true
-            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules-release.pro'
 
             // Reference them in the java files with e.g. BuildConfig.ACCOUNT_TYPE.
             buildConfigField "String", "ACCOUNT_TYPE", "\"org.sufficientlysecure.keychain.account\""
@@ -201,9 +201,8 @@ android {
         }
 
         debug {
-            minifyEnabled true
-            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
-            testProguardFile('proguard-rules.pro')
+            // disable ProGuard for faster compile times for debug builds
+            minifyEnabled false
 
             applicationIdSuffix ".debug"