Try to silence some Play Console warnings.

Issue #215

app/build.gradle

@@ -13,7 +13,7 @@ android {
     }
     buildTypes {
         release {
-            minifyEnabled false
+            minifyEnabled true
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }

love/build.gradle

@@ -24,6 +24,7 @@ android {
             // Specifies the ABI configurations of your native
             // libraries Gradle should build and package with your APK.
             abiFilters 'armeabi-v7a', 'arm64-v8a'
+            debugSymbolLevel 'SYMBOL_TABLE'
         }
         targetSdkVersion 30
     }