Add support for keyboard prebuilt module type

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
diff --git a/etc/prebuilt_etc.go b/etc/prebuilt_etc.go
index d1c1d85..025ba27 100644
--- a/etc/prebuilt_etc.go
+++ b/etc/prebuilt_etc.go
@@ -55,6 +55,9 @@
 	ctx.RegisterModuleType("prebuilt_usr_share", PrebuiltUserShareFactory)
 	ctx.RegisterModuleType("prebuilt_usr_share_host", PrebuiltUserShareHostFactory)
 	ctx.RegisterModuleType("prebuilt_usr_hyphendata", PrebuiltUserHyphenDataFactory)
+	ctx.RegisterModuleType("prebuilt_usr_keylayout", PrebuiltUserKeyLayoutFactory)
+	ctx.RegisterModuleType("prebuilt_usr_keychars", PrebuiltUserKeyCharsFactory)
+	ctx.RegisterModuleType("prebuilt_usr_idc", PrebuiltUserIdcFactory)
 	ctx.RegisterModuleType("prebuilt_font", PrebuiltFontFactory)
 	ctx.RegisterModuleType("prebuilt_firmware", PrebuiltFirmwareFactory)
 	ctx.RegisterModuleType("prebuilt_dsp", PrebuiltDSPFactory)
@@ -609,6 +612,39 @@
 	return module
 }
 
+// prebuilt_usr_keylayout is for a prebuilt artifact that is installed in
+// <partition>/usr/keylayout/<sub_dir> directory.
+func PrebuiltUserKeyLayoutFactory() android.Module {
+	module := &PrebuiltEtc{}
+	InitPrebuiltEtcModule(module, "usr/keylayout")
+	// This module is device-only
+	android.InitAndroidArchModule(module, android.DeviceSupported, android.MultilibFirst)
+	android.InitDefaultableModule(module)
+	return module
+}
+
+// prebuilt_usr_keychars is for a prebuilt artifact that is installed in
+// <partition>/usr/keychars/<sub_dir> directory.
+func PrebuiltUserKeyCharsFactory() android.Module {
+	module := &PrebuiltEtc{}
+	InitPrebuiltEtcModule(module, "usr/keychars")
+	// This module is device-only
+	android.InitAndroidArchModule(module, android.DeviceSupported, android.MultilibFirst)
+	android.InitDefaultableModule(module)
+	return module
+}
+
+// prebuilt_usr_idc is for a prebuilt artifact that is installed in
+// <partition>/usr/idc/<sub_dir> directory.
+func PrebuiltUserIdcFactory() android.Module {
+	module := &PrebuiltEtc{}
+	InitPrebuiltEtcModule(module, "usr/idc")
+	// This module is device-only
+	android.InitAndroidArchModule(module, android.DeviceSupported, android.MultilibFirst)
+	android.InitDefaultableModule(module)
+	return module
+}
+
 // prebuilt_font installs a font in <partition>/fonts directory.
 func PrebuiltFontFactory() android.Module {
 	module := &PrebuiltEtc{}