Consolidate app dependencies using gradle version catalogs.

device-transfer/lib/build.gradle

@@ -26,18 +26,18 @@ dependencyVerification {
 }
 
 dependencies {
-    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation libs.androidx.appcompat
     implementation project(':core-util')
-    implementation "org.whispersystems:signal-client-java:${LIBSIGNAL_CLIENT_VERSION}"
-    api 'org.greenrobot:eventbus:3.0.0'
+    implementation libs.signal.client.java
+    api libs.greenrobot.eventbus
 
-    testImplementation 'junit:junit:4.12'
-    testImplementation 'androidx.test:core:1.2.0'
-    testImplementation ('org.robolectric:robolectric:4.4') {
+    testImplementation testLibs.junit.junit
+    testImplementation testLibs.androidx.test.core
+    testImplementation (testLibs.robolectric.robolectric) {
         exclude group: 'com.google.protobuf', module: 'protobuf-java'
     }
-    testImplementation 'org.robolectric:shadows-multidex:4.4'
-    testImplementation 'org.hamcrest:hamcrest:2.2'
+    testImplementation testLibs.robolectric.shadows.multidex
+    testImplementation testLibs.hamcrest.hamcrest
 
     testImplementation(testFixtures(project(":libsignal-service")))
 }

device-transfer/lib/witness-verifications.gradle

@@ -6,8 +6,8 @@ dependencyVerification {
         ['androidx.activity:activity:1.0.0',
          'd1bc9842455c2e534415d88c44df4d52413b478db9093a1ba36324f705f44c3d'],
 
-        ['androidx.annotation:annotation:1.1.0',
-         'd38d63edb30f1467818d50aaf05f8a692dea8b31392a049bfa991b159ad5b692'],
+        ['androidx.annotation:annotation:1.2.0',
+         '9029262bddce116e6d02be499e4afdba21f24c239087b76b3b57d7e98b490a36'],
 
         ['androidx.appcompat:appcompat-resources:1.2.0',
          'c470297c03ff3de1c3d15dacf0be0cae63abc10b52f021dd07ae28daa3100fe5'],