Use SingleAnnotationProcessor in ChangeIdProcessor.

- Simplify error messages
- Simplify some verification code

Bug: 152220864
Test: atest && m
Change-Id: I16ac767e8406e488892f0f039903008be69a66d2
Merged-In: I16ac767e8406e488892f0f039903008be69a66d2
(cherry picked from commit 38bbe0cfca6fc430919f4fcbbc0fd26e6b02785e)
6 files changed
tree: 2c23c776be3d247e6870384920418ecceb0b4c31
  1. build/
  2. java/
  3. javatest/
  4. Android.mk
  5. OWNERS
  6. README.md
README.md

Platform compat tools

Tools for Android App Compat (go/android-compat).

What's in here?

├── build # python helper scripts for build
├── java # All Java source files; directories follow corresponding java packages
│   └── android
│       ├── compat
│       │   └── annotation # Annotations used for go/compat-framework and go/unsupportedappusage
│       └── processor
│           └── compat  # Java annotation processors for annotations defined in src/
│               ├── changeid # Creates compat_config xml files from @ChangeId constants
│               └── unsupportedappusage # Creates csv files with source positions for @UnsupportedAppUsage elements
└── javatest # Tests for source files defined under java/