Update build.gradle.

Sync to the same build gradle file from GitHub PR: https://github.com/google/ukey2/pull/25

ukey2 gradle build seems to be only used by Auto companion device apk,
which uses a newer version of gradle. Updating the syntax as well as the
version of some dependencies.

Test: Locally tested with Gradle 7.5.1.
Bug: 306244950

```
$ gradle assemble
Starting a Gradle Daemon (subsequent builds will be faster)
> Task :extractIncludeProto UP-TO-DATE
> Task :extractProto UP-TO-DATE
> Task :generateProto UP-TO-DATE
> Task :compileJava UP-TO-DATE
> Task :processResources UP-TO-DATE
> Task :classes UP-TO-DATE
> Task :jar
> Task :assemble

BUILD SUCCESSFUL in 5s
6 actionable tasks: 1 executed, 5 up-to-date
```

Change-Id: I0d2de7abc2d80099b9d6125319a892724d5533b8

1 files changed, 11 insertions, 6 deletions

diff --git a/build.gradle b/build.gradle
index e319422..cbb2d2e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -24,17 +24,17 @@ buildscript {
     mavenCentral()
   }
   dependencies {
-    classpath 'com.google.protobuf:protobuf-gradle-plugin:0.8.12'
+    classpath 'com.google.protobuf:protobuf-gradle-plugin:0.9.4'
   }
 }
 
 dependencies {
-    compile group: 'com.google.truth.extensions', name: 'truth-java8-extension', version: '0.41'
-    testCompile group: 'com.google.guava', name: 'guava-testlib', version: '29.0-jre'
+    implementation group: 'com.google.truth.extensions', name: 'truth-java8-extension', version: '0.41'
+    testImplementation group: 'com.google.guava', name: 'guava-testlib', version: '29.0-jre'
     testImplementation 'junit:junit:4.13'
-    compile  "com.google.code.findbugs:jsr305:3.0.0"
-    compile "com.google.protobuf:protobuf-java:3.8.0"
-    compile "com.google.guava:guava:19.0"
+    implementation "com.google.code.findbugs:jsr305:3.0.0"
+    implementation "com.google.protobuf:protobuf-java:3.19.6"
+    implementation "com.google.guava:guava:19.0"
 }
 
 sourceSets {
@@ -56,4 +56,9 @@ test {
     useJUnit()
 
     maxHeapSize = '1G'
+
+    testLogging {
+        outputs.upToDateWhen {false}
+        showStandardStreams = true
+    }
 }