fixes #194 -- speed up build times

.travis.yml

@@ -20,10 +20,9 @@ android:
   - android-28
   - android-29
 script:
-- "./gradlew ktlint"
-- "./gradlew clean build"
-- "./gradlew tasks"
-- "./gradlew assembleGithub"
+- "./gradlew :app:ktlint"
+- "./gradlew :app:test"
+- "./gradlew :app:assembleGithub"
 before_install:
 - openssl aes-256-cbc -K $encrypted_f7c7591dbff3_key -iv $encrypted_f7c7591dbff3_iv
   -in .keystore.enc -out .keystore -d

gradle.properties

@@ -6,7 +6,7 @@
 # http://www.gradle.org/docs/current/userguide/build_environment.html
 # Specifies the JVM arguments used for the daemon process.
 # The setting is particularly useful for tweaking memory settings.
-org.gradle.jvmargs=-Xmx1536m
+org.gradle.jvmargs=-Xmx2048m
 # When configured, Gradle will run in incubating parallel mode.
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
@@ -16,4 +16,6 @@ org.gradle.jvmargs=-Xmx1536m
 # https://developer.android.com/topic/libraries/support-library/androidx-rn
 android.useAndroidX=true
 # Automatically convert third-party libraries to use AndroidX
-android.enableJetifier=true
+android.enableJetifier=true
+org.gradle.parallel=true
+org.gradle.caching=true