Migrate subsonic api module to new gradle dependencies system.

Signed-off-by: Yahor Berdnikau <egorr.berd@gmail.com>

subsonic-api/build.gradle

@@ -1,4 +1,5 @@
 apply plugin: 'kotlin'
+apply plugin: 'java-library'
 apply plugin: 'jacoco'
 apply from: '../gradle_scripts/code_quality.gradle'
 
@@ -6,29 +7,28 @@ sourceSets {
     main.java.srcDirs += "${projectDir}/src/main/kotlin"
     test.java.srcDirs += "${projectDir}/src/integrationTest/kotlin"
     test.resources.srcDirs += "${projectDir}/src/integrationTest/resources"
-    test.output.resourcesDir = test.output.classesDir
 }
 
 dependencies {
-    compile other.kotlinStdlib
-    compile other.retrofit
-    compile other.jacksonConverter
-    compile(other.jacksonKotlin) {
+    api other.kotlinStdlib
+    api other.retrofit
+    implementation other.jacksonConverter
+    implementation(other.jacksonKotlin) {
         exclude module: 'kotlin-reflect'
     }
-    compile other.kotlinReflect // for jackson kotlin, but to use the same version
-    compile other.okhttpLogging
+    implementation other.kotlinReflect // for jackson kotlin, but to use the same version
+    implementation other.okhttpLogging
 
-    testCompile testing.junit
-    testCompile testing.kotlinJunit
-    testCompile testing.mockitoKotlin
-    testCompile testing.kluent
-    testCompile testing.mockWebServer
-    testCompile testing.apacheCodecs
+    testImplementation testing.junit
+    testImplementation testing.kotlinJunit
+    testImplementation testing.mockitoKotlin
+    testImplementation testing.kluent
+    testImplementation testing.mockWebServer
+    testImplementation testing.apacheCodecs
 }
 
 jacoco {
-    toolVersion = versions.jacoco
+    toolVersion(versions.jacoco)
 }
 
 ext {