Revert "Add debug ramdisk variant"

This reverts commit f84e9c05e2103149162e4a78a68f20c164fbbba2.

Because this breaks the usage of boot-debug.img and
vendor_boot-debug.img

Bug: 185970130
Bug: 185990198
Test: make bootimage_debug
Change-Id: I7886c971982faae1d5bc34688643de8d94d6e201
diff --git a/android/arch.go b/android/arch.go
index 9f93752..20fcc95 100644
--- a/android/arch.go
+++ b/android/arch.go
@@ -617,7 +617,7 @@
 	}
 
 	// only the primary arch in the ramdisk / vendor_ramdisk / recovery partition
-	if os == Android && (module.InstallInRecovery() || module.InstallInRamdisk() || module.InstallInVendorRamdisk() || module.InstallInDebugRamdisk()) {
+	if os == Android && (module.InstallInRecovery() || module.InstallInRamdisk() || module.InstallInVendorRamdisk()) {
 		osTargets = []Target{osTargets[0]}
 	}
 
diff --git a/android/image.go b/android/image.go
index bdb9be0..1a1a423 100644
--- a/android/image.go
+++ b/android/image.go
@@ -30,11 +30,6 @@
 	// vendor ramdisk partition).
 	VendorRamdiskVariantNeeded(ctx BaseModuleContext) bool
 
-	// DebugRamdiskVariantNeeded should return true if the module needs a debug ramdisk variant (installed on the
-	// debug ramdisk partition: $(PRODUCT_OUT)/debug_ramdisk/first_stage_ramdisk if BOARD_USES_RECOVERY_AS_ROOT is
-	// true, $(PRODUCT_OUT)/debug_ramdisk otherise).
-	DebugRamdiskVariantNeeded(ctx BaseModuleContext) bool
-
 	// RecoveryVariantNeeded should return true if the module needs a recovery variant (installed on the
 	// recovery partition).
 	RecoveryVariantNeeded(ctx BaseModuleContext) bool
@@ -65,9 +60,6 @@
 
 	// VendorRamdiskVariation means a module to be installed to vendor ramdisk image.
 	VendorRamdiskVariation string = "vendor_ramdisk"
-
-	// DebugRamdiskVariation means a module to be installed to debug ramdisk image.
-	DebugRamdiskVariation string = "debug_ramdisk"
 )
 
 // imageMutator creates variants for modules that implement the ImageInterface that
@@ -91,9 +83,6 @@
 		if m.VendorRamdiskVariantNeeded(ctx) {
 			variations = append(variations, VendorRamdiskVariation)
 		}
-		if m.DebugRamdiskVariantNeeded(ctx) {
-			variations = append(variations, DebugRamdiskVariation)
-		}
 		if m.RecoveryVariantNeeded(ctx) {
 			variations = append(variations, RecoveryVariation)
 		}
diff --git a/android/module.go b/android/module.go
index 942e071..9f923e2 100644
--- a/android/module.go
+++ b/android/module.go
@@ -393,7 +393,6 @@
 	InstallInSanitizerDir() bool
 	InstallInRamdisk() bool
 	InstallInVendorRamdisk() bool
-	InstallInDebugRamdisk() bool
 	InstallInRecovery() bool
 	InstallInRoot() bool
 	InstallBypassMake() bool
@@ -451,7 +450,6 @@
 	InstallInSanitizerDir() bool
 	InstallInRamdisk() bool
 	InstallInVendorRamdisk() bool
-	InstallInDebugRamdisk() bool
 	InstallInRecovery() bool
 	InstallInRoot() bool
 	InstallBypassMake() bool
@@ -755,9 +753,6 @@
 	// Whether this module is installed to vendor ramdisk
 	Vendor_ramdisk *bool
 
-	// Whether this module is installed to debug ramdisk
-	Debug_ramdisk *bool
-
 	// Whether this module is built for non-native architectures (also known as native bridge binary)
 	Native_bridge_supported *bool `android:"arch_variant"`
 
@@ -1545,10 +1540,6 @@
 	return Bool(m.commonProperties.Vendor_ramdisk)
 }
 
-func (m *ModuleBase) InstallInDebugRamdisk() bool {
-	return Bool(m.commonProperties.Debug_ramdisk)
-}
-
 func (m *ModuleBase) InstallInRecovery() bool {
 	return Bool(m.commonProperties.Recovery)
 }
@@ -1602,10 +1593,6 @@
 	return m.base().commonProperties.ImageVariation == VendorRamdiskVariation
 }
 
-func (m *ModuleBase) InDebugRamdisk() bool {
-	return m.base().commonProperties.ImageVariation == DebugRamdiskVariation
-}
-
 func (m *ModuleBase) InRecovery() bool {
 	return m.base().commonProperties.ImageVariation == RecoveryVariation
 }
@@ -2561,10 +2548,6 @@
 	return m.module.InstallInVendorRamdisk()
 }
 
-func (m *moduleContext) InstallInDebugRamdisk() bool {
-	return m.module.InstallInDebugRamdisk()
-}
-
 func (m *moduleContext) InstallInRecovery() bool {
 	return m.module.InstallInRecovery()
 }
diff --git a/android/paths.go b/android/paths.go
index 026cb87..93c5684 100644
--- a/android/paths.go
+++ b/android/paths.go
@@ -106,7 +106,6 @@
 	InstallInSanitizerDir() bool
 	InstallInRamdisk() bool
 	InstallInVendorRamdisk() bool
-	InstallInDebugRamdisk() bool
 	InstallInRecovery() bool
 	InstallInRoot() bool
 	InstallBypassMake() bool
@@ -1690,16 +1689,6 @@
 			if !ctx.InstallInRoot() {
 				partition += "/system"
 			}
-		} else if ctx.InstallInDebugRamdisk() {
-			// The module is only available after switching root into
-			// /first_stage_ramdisk. To expose the module before switching root
-			// on a device without a dedicated recovery partition, install the
-			// recovery variant.
-			if ctx.DeviceConfig().BoardUsesRecoveryAsBoot() {
-				partition = "debug_ramdisk/first_stage_ramdisk"
-			} else {
-				partition = "debug_ramdisk"
-			}
 		} else if ctx.InstallInRecovery() {
 			if ctx.InstallInRoot() {
 				partition = "recovery/root"
@@ -1870,7 +1859,6 @@
 	inSanitizerDir  bool
 	inRamdisk       bool
 	inVendorRamdisk bool
-	inDebugRamdisk  bool
 	inRecovery      bool
 	inRoot          bool
 	forceOS         *OsType
@@ -1903,10 +1891,6 @@
 	return m.inVendorRamdisk
 }
 
-func (m testModuleInstallPathContext) InstallInDebugRamdisk() bool {
-	return m.inDebugRamdisk
-}
-
 func (m testModuleInstallPathContext) InstallInRecovery() bool {
 	return m.inRecovery
 }
diff --git a/android/paths_test.go b/android/paths_test.go
index cb9138b..6ec75b4 100644
--- a/android/paths_test.go
+++ b/android/paths_test.go
@@ -395,19 +395,6 @@
 			partitionDir: "target/product/test_device/vendor_ramdisk",
 		},
 		{
-			name: "debug_ramdisk binary",
-			ctx: &testModuleInstallPathContext{
-				baseModuleContext: baseModuleContext{
-					os:     deviceTarget.Os,
-					target: deviceTarget,
-				},
-				inDebugRamdisk: true,
-			},
-			in:           []string{"my_test"},
-			out:          "target/product/test_device/debug_ramdisk/my_test",
-			partitionDir: "target/product/test_device/debug_ramdisk",
-		},
-		{
 			name: "system native test binary",
 			ctx: &testModuleInstallPathContext{
 				baseModuleContext: baseModuleContext{
@@ -746,19 +733,6 @@
 			out:          "target/product/test_device/vendor_ramdisk/first_stage_ramdisk/my_test",
 			partitionDir: "target/product/test_device/vendor_ramdisk/first_stage_ramdisk",
 		},
-		{
-			name: "debug_ramdisk binary",
-			ctx: &testModuleInstallPathContext{
-				baseModuleContext: baseModuleContext{
-					os:     deviceTarget.Os,
-					target: deviceTarget,
-				},
-				inDebugRamdisk: true,
-			},
-			in:           []string{"my_test"},
-			out:          "target/product/test_device/debug_ramdisk/first_stage_ramdisk/my_test",
-			partitionDir: "target/product/test_device/debug_ramdisk/first_stage_ramdisk",
-		},
 	}
 
 	for _, tc := range testCases {