diff --git a/core/static_java_library.mk b/core/static_java_library.mk
index 4dec1a8..80686cc 100644
--- a/core/static_java_library.mk
+++ b/core/static_java_library.mk
@@ -171,9 +171,9 @@
 
 # if we have custom proguarding done use the proguarded classes jar instead of the normal classes jar
 ifeq ($(filter custom,$(LOCAL_PROGUARD_ENABLED)),custom)
-aar_classes_jar = $(full_classes_proguard_jar)
-else
 aar_classes_jar = $(full_classes_jar)
+else
+aar_classes_jar = $(full_classes_pre_proguard_jar)
 endif
 
 # Rule to build AAR, archive including classes.jar, resource, etc.
diff --git a/core/tasks/check_boot_jars/check_boot_jars.py b/core/tasks/check_boot_jars/check_boot_jars.py
index 5a0ec40..1b4540c 100755
--- a/core/tasks/check_boot_jars/check_boot_jars.py
+++ b/core/tasks/check_boot_jars/check_boot_jars.py
@@ -55,7 +55,7 @@
       package_name = package_name.replace('/', '.')
       # Skip class without a package name
       if package_name and not whitelist_re.match(package_name):
-        print >> sys.stderr, ('Error: %s: unknown package name of class file %s'
+        print >> sys.stderr, ('Error: %s contains class file %s, which is not in the whitelist'
                               % (jar, f))
         return False
   return True
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index 41e220f..ad8561d 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -40,7 +40,7 @@
 
 DEFAULT_PLATFORM_VERSION := OPR1
 MIN_PLATFORM_VERSION := OPR1
-MAX_PLATFORM_VERSION := OPR1
+MAX_PLATFORM_VERSION := PPR1
 
 ALLOWED_VERSIONS := $(call allowed-platform-versions,\
   $(MIN_PLATFORM_VERSION),\
@@ -74,9 +74,11 @@
 # please add that PLATFORM_VERSION to the following text file:
 # cts/tests/tests/os/assets/platform_versions.txt
 PLATFORM_VERSION.OPR1 := O
+PLATFORM_VERSION.PPR1 := P
 
 # These are the current development codenames.
 PLATFORM_VERSION_CODENAME.OPR1 := O
+PLATFORM_VERSION_CODENAME.PPR1 := P
 
 ifndef PLATFORM_VERSION
   PLATFORM_VERSION := $(PLATFORM_VERSION.$(TARGET_PLATFORM_VERSION))
diff --git a/envsetup.sh b/envsetup.sh
index ec6c960..55f4983 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -225,6 +225,16 @@
     fi
 
     export ANDROID_DEV_SCRIPTS=$T/development/scripts:$T/prebuilts/devtools/tools:$T/external/selinux/prebuilts/bin
+
+    # add kernel specific binaries
+    case $(uname -s) in
+        Linux)
+            export ANDROID_DEV_SCRIPTS=$ANDROID_DEV_SCRIPTS:$T/prebuilts/misc/linux-x86/dtc:$T/prebuilts/misc/linux-x86/libufdt
+            ;;
+        *)
+            ;;
+    esac
+
     export ANDROID_BUILD_PATHS=$(get_build_var ANDROID_BUILD_PATHS):$ANDROID_TOOLCHAIN:$ANDROID_TOOLCHAIN_2ND_ARCH:$ANDROID_DEV_SCRIPTS:
 
     # If prebuilts/android-emulator/<system>/ exists, prepend it to our PATH