[gradle] Fallback to stable AGP (#1179)

app/build.gradle.kts

@@ -70,8 +70,8 @@ android {
 
     lint {
         disable += "MissingTranslation"
-        abortOnError = true
-        checkReleaseBuilds = false
+        isAbortOnError = true
+        isCheckReleaseBuilds = false
     }
 
     packagingOptions {

build.gradle.kts

@@ -25,7 +25,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath("com.android.tools.build:gradle:7.1.0-alpha12")
+        classpath("com.android.tools.build:gradle:7.0.2")
         classpath("org.eclipse.jgit:org.eclipse.jgit:5.12.0.202106070339-r")
         classpath("androidx.navigation:navigation-safe-args-gradle-plugin:2.4.0-alpha08")
     }

core/build.gradle.kts

@@ -116,8 +116,8 @@ android {
     }
 
     lint {
-        abortOnError = true
-        checkReleaseBuilds = false
+        isAbortOnError = true
+        isCheckReleaseBuilds = false
     }
 
     buildTypes {