Update system images to revision 4

Change-Id: Ibdbc001c84f9a9c159ae76f657944e05941136f8
diff --git a/sys-img/images_arm64-v8a_source.prop_template b/sys-img/images_arm64-v8a_source.prop_template
index 0fa83e9..7c31def 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 ${PLATFORM_VERSION}
 Pkg.UserSrc=false
-Pkg.Revision=3
+Pkg.Revision=4
 AndroidVersion.ApiLevel=${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 9def03d..36fd33e 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 ${PLATFORM_VERSION}
 Pkg.UserSrc=false
-Pkg.Revision=3
+Pkg.Revision=4
 AndroidVersion.ApiLevel=${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 98281d2..fec8836 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 ${PLATFORM_VERSION}
 Pkg.UserSrc=false
-Pkg.Revision=3
+Pkg.Revision=4
 AndroidVersion.ApiLevel=${PLATFORM_SDK_VERSION}
 AndroidVersion.CodeName=${PLATFORM_VERSION_CODENAME}
 SystemImage.Abi=armeabi
diff --git a/sys-img/images_mips64_source.prop_template b/sys-img/images_mips64_source.prop_template
index cd0f010..d457ccc 100644
--- a/sys-img/images_mips64_source.prop_template
+++ b/sys-img/images_mips64_source.prop_template
@@ -1,6 +1,6 @@
 Pkg.Desc=Android SDK Platform ${PLATFORM_VERSION}
 Pkg.UserSrc=false
-Pkg.Revision=3
+Pkg.Revision=4
 AndroidVersion.ApiLevel=${PLATFORM_SDK_VERSION}
 AndroidVersion.CodeName=${PLATFORM_VERSION_CODENAME}
 SystemImage.Abi=mips64
diff --git a/sys-img/images_mips_source.prop_template b/sys-img/images_mips_source.prop_template
index 09389d0..1b03048 100644
--- a/sys-img/images_mips_source.prop_template
+++ b/sys-img/images_mips_source.prop_template
@@ -1,6 +1,6 @@
 Pkg.Desc=Android SDK Platform ${PLATFORM_VERSION}
 Pkg.UserSrc=false
-Pkg.Revision=3
+Pkg.Revision=4
 AndroidVersion.ApiLevel=${PLATFORM_SDK_VERSION}
 AndroidVersion.CodeName=${PLATFORM_VERSION_CODENAME}
 SystemImage.Abi=mips
diff --git a/sys-img/images_x86_64_source.prop_template b/sys-img/images_x86_64_source.prop_template
index 0fa83e9..7c31def 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 ${PLATFORM_VERSION}
 Pkg.UserSrc=false
-Pkg.Revision=3
+Pkg.Revision=4
 AndroidVersion.ApiLevel=${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 0fa83e9..7c31def 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 ${PLATFORM_VERSION}
 Pkg.UserSrc=false
-Pkg.Revision=3
+Pkg.Revision=4
 AndroidVersion.ApiLevel=${PLATFORM_SDK_VERSION}
 AndroidVersion.CodeName=${PLATFORM_VERSION_CODENAME}
 SystemImage.Abi=${TARGET_CPU_ABI}