Fix gradle release build (1/2)

-ignorewarnings

-useuniqueclassmembernames

-keep class com.android.contacts.model.Sources {

  public <init>(...);

-keep class com.google.common.base.Functions { *; }

-keep class com.google.common.base.Objects { *; }

-keep class com.google.common.base.Preconditions { *; }

-keep class com.google.common.collect.ImmutableMap { *; }

-keep class com.google.common.collect.ImmutableSet { *; }

-keep class com.google.common.collect.Lists { *; }

-keep class com.google.common.collect.Maps { *; }

-keep class com.google.common.collect.Multimap { *; }

-keep class com.google.common.collect.Sets { *; }

-keep class com.google.common.collect.** { *; }

-keep class com.google.common.util.concurrent.** { *; }

-keep class com.android.common.widget.CompositeCursorAdapter { *; }

# Any class or method annotated with NeededForReflection.

-keep @com.android.contacts.test.NeededForReflection class *