[#1190] Add native debug symbols to builds

- Although this build flag is not transitive, and thus it does not cover SDK, it’s still a good approach to have it turned on
- Using the middle path with symbol_table value - this could be changed once needed

app/build.gradle.kts

@@ -93,7 +93,7 @@ android {
         releaseKeystorePassword,
         releaseKeyAlias,
         releaseKeyAliasPassword
-    ).all { !it.isNullOrBlank() }
+    ).all { it.isNotBlank() }
 
     signingConfigs {
         if (isReleaseSigningConfigured) {
@@ -120,6 +120,8 @@ android {
         getByName("release").apply {
             isMinifyEnabled = project.property("IS_MINIFY_ENABLED").toString().toBoolean()
             isShrinkResources = project.property("IS_MINIFY_ENABLED").toString().toBoolean()
+            ndk.debugSymbolLevel = project.property("NDK_DEBUG_SYMBOL_LEVEL").toString()
+
             proguardFiles(
                 getDefaultProguardFile("proguard-android-optimize.txt"),
                 "proguard-project.txt"

build.gradle.kts

@@ -97,6 +97,7 @@ tasks {
             "ZCASH_EMULATOR_WTF_API_KEY" to "",
 
             "IS_MINIFY_ENABLED" to "true",
+            "NDK_DEBUG_SYMBOL_LEVEL" to "symbol_table",
 
             "ZCASH_RELEASE_APP_NAME" to "Zashi",
             "ZCASH_RELEASE_PACKAGE_NAME" to "co.electriccoin.zcash",

gradle.properties

@@ -50,6 +50,14 @@ ZCASH_FIREBASE_TEST_LAB_PROJECT=
 # Optionally disable minification
 IS_MINIFY_ENABLED=true
 
+# Optionally change the NDK debug symbols generation level
+# Supported values are:
+# - none (default, no native debug metadata will be packaged)
+# - symbol_table (only the symbol tables will be packaged)
+# - full (the debug info and symbol tables will be packaged)
+# The result will be placed in app/build/outputs/native-debug-symbols/variant-name/native-debug-symbols.zip
+NDK_DEBUG_SYMBOL_LEVEL=symbol_table
+
 # If ZCASH_GOOGLE_PLAY_SERVICE_KEY_FILE_PATH is set and the deployment task is triggered, then
 # VERSION_CODE is effectively ignored. VERSION_NAME is suffixed with the version code.
 # If not using automated Google Play deployment, then these serve as the actual version numbers.