Move SelectionBuilder to common/src/java

Change-Id: I637ce0b39c6a86feb000e3b50f764a7c3e70ed25
diff --git a/common/src/com/example/android/common/db/SelectionBuilder.java b/common/src/java/com/example/android/common/db/SelectionBuilder.java
similarity index 100%
rename from common/src/com/example/android/common/db/SelectionBuilder.java
rename to common/src/java/com/example/android/common/db/SelectionBuilder.java