Allow project dependency to use runtimeClasspath (#395)

* Allow project dependency to use runtimeClasspath

Project dependency should use runtimeClasspath. However, if
left unspecified, it uses 'default', which is the same as
the legacy 'runtime' configuration. (runtimeOnly dependencies
are left out).

Since runtimeClasspath cannot be referenced directly, we use
a custom config (deploy_jar) as a proxy.

By excluding testjars (leaked into 'compile' by third-party
dependencies) from runtimeClasspath, we prevent them from
getting into release artifacts.

Two meaningful changes in appengine_war.gradle and java_common.gradle

TESTED=Diffed contents of services/{module}/build/exploded-*
       Only three jars are removed: hamcrest-core, junit, and
       mockito-core.

services/backend/gradle/dependency-locks/compileClasspath.lockfile

@@ -10,6 +10,14 @@ com.fasterxml.jackson.core:jackson-annotations:2.9.10
 com.fasterxml.jackson.core:jackson-core:2.9.10
 com.fasterxml.jackson.core:jackson-databind:2.9.10
 com.fasterxml:classmate:1.3.4
+com.github.jnr:jffi:1.2.17
+com.github.jnr:jnr-a64asm:1.0.0
+com.github.jnr:jnr-constants:0.9.11
+com.github.jnr:jnr-enxio:0.19
+com.github.jnr:jnr-ffi:2.1.9
+com.github.jnr:jnr-posix:3.0.47
+com.github.jnr:jnr-unixsocket:0.21
+com.github.jnr:jnr-x86asm:1.0.2
 com.google.api-client:google-api-client-appengine:1.29.0
 com.google.api-client:google-api-client-jackson2:1.27.0
 com.google.api-client:google-api-client-java6:1.27.0
@@ -50,6 +58,7 @@ com.google.apis:google-api-services-groupssettings:v1-rev60-1.22.0
 com.google.apis:google-api-services-monitoring:v3-rev426-1.23.0
 com.google.apis:google-api-services-pubsub:v1-rev20181105-1.27.0
 com.google.apis:google-api-services-sheets:v4-rev483-1.22.0
+com.google.apis:google-api-services-sqladmin:v1beta4-rev56-1.23.0
 com.google.apis:google-api-services-storage:v1-rev20181109-1.27.0
 com.google.appengine.tools:appengine-gcs-client:0.6
 com.google.appengine.tools:appengine-mapreduce:0.9
@@ -65,6 +74,8 @@ com.google.cloud.bigdataoss:gcsio:1.9.16
 com.google.cloud.bigdataoss:util:1.9.16
 com.google.cloud.bigtable:bigtable-client-core:1.8.0
 com.google.cloud.datastore:datastore-v1-proto-client:1.6.0
+com.google.cloud.sql:jdbc-socket-factory-core:1.0.12
+com.google.cloud.sql:postgres-socket-factory:1.0.12
 com.google.cloud:google-cloud-bigquerystorage:0.79.0-alpha
 com.google.cloud:google-cloud-bigtable-admin:0.73.0-alpha
 com.google.cloud:google-cloud-bigtable:0.73.0-alpha
@@ -164,7 +175,6 @@ javax.validation:validation-api:1.0.0.GA
 javax.xml.bind:jaxb-api:2.3.1
 jline:jline:1.0
 joda-time:joda-time:2.10.3
-junit:junit:4.12
 net.bytebuddy:byte-buddy:1.9.11
 net.java.dev.jna:jna-platform:5.3.1
 net.java.dev.jna:jna:5.3.1
@@ -194,7 +204,6 @@ org.dom4j:dom4j:2.1.1
 org.easymock:easymock:3.0
 org.glassfish.jaxb:jaxb-runtime:2.3.1
 org.glassfish.jaxb:txw2:2.3.1
-org.hamcrest:hamcrest-core:1.3
 org.hibernate.common:hibernate-commons-annotations:5.1.0.Final
 org.hibernate:hibernate-core:5.4.4.Final
 org.hibernate:hibernate-hikaricp:5.4.4.Final
@@ -206,15 +215,14 @@ org.jetbrains:annotations:17.0.0
 org.joda:joda-money:1.0.1
 org.json:json:20160810
 org.jvnet.staxex:stax-ex:1.8
-org.mockito:mockito-core:1.9.5
 org.mortbay.jetty:jetty-util:6.1.26
 org.mortbay.jetty:jetty:6.1.26
 org.objenesis:objenesis:1.2
-org.ow2.asm:asm-analysis:6.0
+org.ow2.asm:asm-analysis:7.0
 org.ow2.asm:asm-commons:6.0
-org.ow2.asm:asm-tree:6.0
-org.ow2.asm:asm-util:6.0
-org.ow2.asm:asm:6.0
+org.ow2.asm:asm-tree:7.0
+org.ow2.asm:asm-util:7.0
+org.ow2.asm:asm:7.0
 org.postgresql:postgresql:42.2.6
 org.rnorth.duct-tape:duct-tape:1.0.8
 org.rnorth.visible-assertions:visible-assertions:2.1.2