AIDEGen: Collect the srcjar into out/soong/module_bp_java_deps.json

Build module_bp_java_deps.json without this change:
Build time: 3m53.761s
File size: 12,955,363 Bytes

Build module_bp_java_deps.json with this change:
Build time: 3m49.106s
File size: 13,361,647 Bytes

Bug: 132407603
Test: 1. SOONG_COLLECT_JAVA_DEPS=false make nothing
      2. SOONG_COLLECT_JAVA_DEPS=true make nothing
      3. Check module_bp_java_deps.json in /out/soong.
         In SettingsProvider section there should contain
         "srcjars": [
             "out/soong/.intermediates/frameworks/base/packages/SettingsProvider/SettingsProvider/android_common/gen/R.jar"
         ]

Change-Id: I800a4d4f13b280d7ef87005e599cbd0aaf8c93f4