Script fixes and improvements.

Fix to mark all versions REL.

More robust patch application. Keep getting these build breakages, not sure why. Looks like git is
confusing one folder for the other?
https://android-build.googleplex.com/builds/submitted/10065142/test_suites_arm64/latest/logs/build_error.log

Bug: 275409981
Test: run locally
Change-Id: I6173b9ecae5e9ab12d9abf2eee3f2136dc353210
diff --git a/tools/finalization/environment.sh b/tools/finalization/environment.sh
index b0ed645..9714ac4 100755
--- a/tools/finalization/environment.sh
+++ b/tools/finalization/environment.sh
@@ -7,7 +7,6 @@
 export FINAL_PLATFORM_CODENAME='VanillaIceCream'
 export CURRENT_PLATFORM_CODENAME='VanillaIceCream'
 export FINAL_PLATFORM_CODENAME_JAVA='VANILLA_ICE_CREAM'
-export FINAL_BUILD_PREFIX='VP1A'
 export FINAL_PLATFORM_VERSION='15'
 
 # Set arbitrary large values for CI.
diff --git a/tools/finalization/finalize-aidl-vndk-sdk-resources.sh b/tools/finalization/finalize-aidl-vndk-sdk-resources.sh
index d977a65..fa33986 100755
--- a/tools/finalization/finalize-aidl-vndk-sdk-resources.sh
+++ b/tools/finalization/finalize-aidl-vndk-sdk-resources.sh
@@ -4,13 +4,15 @@
 
 function apply_droidstubs_hack() {
     if ! grep -q 'STOPSHIP: RESTORE THIS LOGIC WHEN DECLARING "REL" BUILD' "$top/build/soong/java/droidstubs.go" ; then
-        git -C "$top/build/soong" apply --allow-empty ../../build/make/tools/finalization/build_soong_java_droidstubs.go.apply_hack.diff
+        local build_soong_git_root="$(readlink -f $top/build/soong)"
+        git -C "$build_soong_git_root" apply --allow-empty ../../build/make/tools/finalization/build_soong_java_droidstubs.go.apply_hack.diff
     fi
 }
 
 function apply_resources_sdk_int_fix() {
     if ! grep -q 'public static final int RESOURCES_SDK_INT = SDK_INT;' "$top/frameworks/base/core/java/android/os/Build.java" ; then
-        git -C "$top/frameworks/base" apply --allow-empty ../../build/make/tools/finalization/frameworks_base.apply_resource_sdk_int.diff
+        local base_git_root="$(readlink -f $top/frameworks/base)"
+        git -C "$base_git_root" apply --allow-empty ../../build/make/tools/finalization/frameworks_base.apply_resource_sdk_int.diff
     fi
 }
 
diff --git a/tools/finalization/finalize-sdk-rel.sh b/tools/finalization/finalize-sdk-rel.sh
index 84ad2a7..62e5ee5 100755
--- a/tools/finalization/finalize-sdk-rel.sh
+++ b/tools/finalization/finalize-sdk-rel.sh
@@ -34,7 +34,8 @@
     revert_resources_sdk_int_fix
 
     # build/make/core/version_defaults.mk
-    sed -i -e "s/PLATFORM_VERSION_CODENAME.${FINAL_BUILD_PREFIX} := .*/PLATFORM_VERSION_CODENAME.${FINAL_BUILD_PREFIX} := REL/g" "$top/build/make/core/version_defaults.mk"
+    # Mark all versions "released".
+    sed -i 's/\(PLATFORM_VERSION_CODENAME\.[^[:space:]]*\) := [^[:space:]]*/\1 := REL/g' "$top/build/make/core/version_defaults.mk"
 
     # cts
     echo "$FINAL_PLATFORM_VERSION" > "$top/cts/tests/tests/os/assets/platform_versions.txt"