Add 3 different module type:
- prebuilt_usr_keylayout
- prebuilt_usr_keychars
- prebuilt_usr_idc
Bug: 337998675
Test: cd build/soong/etc ; go test -run \
TestPrebuiltPrebuiltUserKeyLayoutInstallDirPath
Test: cd build/soong/etc ; go test -run \
TestPrebuiltPrebuiltUserKeyCharsInstallDirPath
Test: cd build/soong/etc ; go test -run \
TestPrebuiltPrebuiltUserIdcInstallDirPath
Change-Id: I5bafbc48dd0edd0d06783b89b904330a2a30c743