Fix some problems identified by the Gradle problems report

Author: rvandermeulen

app/build.gradle

@@ -19,7 +19,7 @@ android {
     defaultConfig {
         applicationId "org.mozilla.reference.browser"
         minSdkVersion Config.minSdkVersion
-        compileSdk Config.compileSdkVersion
+        compileSdk = Config.compileSdkVersion
         targetSdkVersion Config.targetSdkVersion
         versionCode 1
         versionName Config.generateDebugVersionName()
@@ -43,8 +43,8 @@ android {
     }
 
     buildFeatures {
-        buildConfig true
-        compose true
+        buildConfig = true
+        compose = true
     }
 
     buildTypes {
@@ -68,12 +68,12 @@ android {
     }
 
     testOptions {
-        execution 'ANDROIDX_TEST_ORCHESTRATOR'
+        execution = 'ANDROIDX_TEST_ORCHESTRATOR'
         animationsDisabled = true
     }
 
     lintOptions {
-        lintConfig file("lint.xml")
+        lintConfig = file("lint.xml")
         baseline file("lint-baseline.xml")
         disable 'GradleDependency', 'AndroidGradlePluginVersion'
     }
@@ -84,15 +84,15 @@ android {
 
     splits {
         abi {
-            enable true
+            enable = true
 
             reset()
 
             include "x86", "armeabi-v7a", "arm64-v8a", "x86_64"
         }
     }
 
-    namespace 'org.mozilla.reference.browser'
+    namespace = 'org.mozilla.reference.browser'
 }
 
 kotlin {

build.gradle

@@ -47,8 +47,8 @@ allprojects {
         }
 
         maven {
-            name "Mozilla Nightly"
-            url "https://nightly.maven.mozilla.org/maven2"
+            name = "Mozilla Nightly"
+            url = "https://nightly.maven.mozilla.org/maven2"
 
             content {
                 // Always fetch components from the snapshots repository
@@ -57,8 +57,8 @@ allprojects {
         }
 
         maven {
-            name "Mozilla"
-            url "https://maven.mozilla.org/maven2"
+            name = "Mozilla"
+            url = "https://maven.mozilla.org/maven2"
 
             content {
                 // Never fetch components from here. We always want to use snapshots.
@@ -99,8 +99,8 @@ subprojects {
                 }
 
                 lintOptions {
-                    warningsAsErrors true
-                    abortOnError true
+                    warningsAsErrors = true
+                    abortOnError = true
                 }
             }