Occasionally sourcing the script would close my overall shell when it
hit an error. By having it just be an executable script, this prevents
it from impacting a user's normal shell environment and can depend on it
always being bash, rather than whatever shell people happen to be using.
Bug: 334870672
Test: tools/check-flagged-apis/check-flagged-apis.sh
Change-Id: Ic46cb4fefdea8d51be018d4f7a92b0d9ca7e57b3
Add a script to make it easier to check-flagged-apis for the public APIs
and the three flavours of @FlaggedApi.
Bug: 334870672
Test: lunch sdk-next-eng && source check-flagged-apis.sh
Change-Id: I8b5e2642ade84560c5c61ae49d8c0dcdedb841ca