Initial support for installing APEX via adb.

Test: adb install package-signed.apex (succeeds)
adb install package-unsigned.apex (fails)
Change-Id: I3ac7971ce6923511a7d574291fe9002c5d55fa1b
diff --git a/Android.bp b/Android.bp
index b715b73..ee159f7 100644
--- a/Android.bp
+++ b/Android.bp
@@ -692,6 +692,7 @@
     ],
 
     static_libs: [
+        "apex_aidl_interface-java",
         "framework-protos",
         "mediaplayer2-protos",
         "android.hidl.base-V1.0-java",