[Android] Upgrade Kotlin version

[Geoffrey Métais]

vlc-android | branch: 3.0.x | Geoffrey Métais <geoffrey.metais at gmail.com> | Wed Jul  4 12:04:49 2018 +0200| [64da065123f2fd7dafec5cb3335aed6ff4794ae4] | committer: Geoffrey Métais

Upgrade Kotlin version

> https://code.videolan.org/videolan/vlc-android/commit/64da065123f2fd7dafec5cb3335aed6ff4794ae4
---

 build.gradle             | 2 +-
 vlc-android/build.gradle | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/build.gradle b/build.gradle
index ebe2c6c85..07a3812d6 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,7 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
     ext.android_plugin_version = '3.0.1'
-    ext.kotlin_version = '1.2.41'
+    ext.kotlin_version = '1.2.51'
     ext.kotlinx_version = '0.22.5'
     repositories {
         flatDir dirs: "gradle/plugins"
diff --git a/vlc-android/build.gradle b/vlc-android/build.gradle
index 2acd0e64a..5ed08db2c 100644
--- a/vlc-android/build.gradle
+++ b/vlc-android/build.gradle
@@ -202,7 +202,7 @@ dependencies {
     implementation "com.android.support.constraint:constraint-layout:$rootProject.ext.constraintLayoutVersion"
     testImplementation 'junit:junit:4.12'
     // Kotlin
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     kapt "com.android.databinding:compiler:$rootProject.ext.android_plugin_version"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$rootProject.ext.kotlinx_version"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$rootProject.ext.kotlinx_version"