fix CI build

Signed-off-by: Re4son <3520622-re4son@users.noreply.gitlab.com>

.gitlab-ci.yml

@@ -1,4 +1,4 @@
-image: jangrewe/gitlab-ci-android:29
+image: jangrewe/gitlab-ci-android
 
 stages:
 - build
@@ -84,4 +84,4 @@ assembleReleaseManual:
 cache:
   key: ${CI_PROJECT_ID}
   paths:
-  - .gradle/
+  - .gradle/

build.gradle

@@ -7,7 +7,7 @@ buildscript {
         }
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.0.0'
+        classpath 'com.android.tools.build:gradle:3.4.0'
     }
 }
 
@@ -20,9 +20,9 @@ allprojects {
 }
 
 ext {
-    compileSdkVersion=29
+    compileSdkVersion=28
     minSdkVersion=14
-    targetSdkVersion=29
+    targetSdkVersion=28
     //version=YYYYMMVVRR (Either "VV" for stable version OR "RR" for pre-release candidate (e.g. 0001 for rc1)
     versionCode=2020040100
     versionName="2020.4"

libtermexec/build.gradle

@@ -4,7 +4,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.0.0'
+        classpath 'com.android.tools.build:gradle:3.4.0'
     }
 }
 apply plugin: 'com.android.library'
@@ -66,4 +66,4 @@ android {
 dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
     implementation 'com.android.support:support-annotations:28.0.0'
-}
+}