Emulator: reset sdk system images revision to 1

BUG: 31973190
Change-Id: I2411df8912199129d5fc3b5f243b56192579b63f
diff --git a/sys-img/images_arm64-v8a_source.prop_template b/sys-img/images_arm64-v8a_source.prop_template
index 7c31def..1a18cf8 100644
--- a/sys-img/images_arm64-v8a_source.prop_template
+++ b/sys-img/images_arm64-v8a_source.prop_template
@@ -1,6 +1,6 @@
 Pkg.Desc=Android SDK Platform ${PLATFORM_VERSION}
 Pkg.UserSrc=false
-Pkg.Revision=4
+Pkg.Revision=1
 AndroidVersion.ApiLevel=${PLATFORM_SDK_VERSION}
 AndroidVersion.CodeName=${PLATFORM_VERSION_CODENAME}
 SystemImage.Abi=${TARGET_CPU_ABI}
diff --git a/sys-img/images_armeabi-v7a_source.prop_template b/sys-img/images_armeabi-v7a_source.prop_template
index 36fd33e..9c7a332 100644
--- a/sys-img/images_armeabi-v7a_source.prop_template
+++ b/sys-img/images_armeabi-v7a_source.prop_template
@@ -1,6 +1,6 @@
 Pkg.Desc=Android SDK Platform ${PLATFORM_VERSION}
 Pkg.UserSrc=false
-Pkg.Revision=4
+Pkg.Revision=1
 AndroidVersion.ApiLevel=${PLATFORM_SDK_VERSION}
 AndroidVersion.CodeName=${PLATFORM_VERSION_CODENAME}
 SystemImage.Abi=armeabi-v7a
diff --git a/sys-img/images_armeabi_source.prop_template b/sys-img/images_armeabi_source.prop_template
index fec8836..91e9d21 100644
--- a/sys-img/images_armeabi_source.prop_template
+++ b/sys-img/images_armeabi_source.prop_template
@@ -1,6 +1,6 @@
 Pkg.Desc=Android SDK Platform ${PLATFORM_VERSION}
 Pkg.UserSrc=false
-Pkg.Revision=4
+Pkg.Revision=1
 AndroidVersion.ApiLevel=${PLATFORM_SDK_VERSION}
 AndroidVersion.CodeName=${PLATFORM_VERSION_CODENAME}
 SystemImage.Abi=armeabi
diff --git a/sys-img/images_x86_64_source.prop_template b/sys-img/images_x86_64_source.prop_template
index 7c31def..1a18cf8 100644
--- a/sys-img/images_x86_64_source.prop_template
+++ b/sys-img/images_x86_64_source.prop_template
@@ -1,6 +1,6 @@
 Pkg.Desc=Android SDK Platform ${PLATFORM_VERSION}
 Pkg.UserSrc=false
-Pkg.Revision=4
+Pkg.Revision=1
 AndroidVersion.ApiLevel=${PLATFORM_SDK_VERSION}
 AndroidVersion.CodeName=${PLATFORM_VERSION_CODENAME}
 SystemImage.Abi=${TARGET_CPU_ABI}
diff --git a/sys-img/images_x86_source.prop_template b/sys-img/images_x86_source.prop_template
index 7c31def..1a18cf8 100644
--- a/sys-img/images_x86_source.prop_template
+++ b/sys-img/images_x86_source.prop_template
@@ -1,6 +1,6 @@
 Pkg.Desc=Android SDK Platform ${PLATFORM_VERSION}
 Pkg.UserSrc=false
-Pkg.Revision=4
+Pkg.Revision=1
 AndroidVersion.ApiLevel=${PLATFORM_SDK_VERSION}
 AndroidVersion.CodeName=${PLATFORM_VERSION_CODENAME}
 SystemImage.Abi=${TARGET_CPU_ABI}