Android: ResourceExtractor.java: Extract files atomically

Android: ResourceExtractor.java: Extract files atomically

Extracts to a temporary and then moves them into place.
The goal is to avoid half-extracted files (e.g. upon crash
or power failure). The extractor does not validate them
on start-up.

BUG=691719
Review-Url: https://codereview.chromium.org/2828583002
Cr-Commit-Position: refs/heads/master@{#465592}
(cherry picked from commit 4c8239ac8c3c3dd581963aeb6e5dcb2e381d0b58)

Review-Url: https://codereview.chromium.org/2847923004 .
Cr-Commit-Position: refs/branch-heads/3071@{#293}
Cr-Branched-From: a106f0abbf69dad349d4aaf4bcc4f5d376dd2377-refs/heads/master@{#464641}
Committed: https://chromium.googlesource.com/chromium/src/+/bf64cf69693a7a7611f1f484ad93315bf4b34d2c

[agrieve, 2017-04-28 15:27:49]

Description was changed from

==========
Android: ResourceExtractor.java: Extract files atomically

Extracts to a temporary and then moves them into place.
The goal is to avoid half-extracted files (e.g. upon crash
or power failure). The extractor does not validate them
on start-up.

BUG=691719

Review-Url: https://codereview.chromium.org/2828583002
Cr-Commit-Position: refs/heads/master@{#465592}
(cherry picked from commit 4c8239ac8c3c3dd581963aeb6e5dcb2e381d0b58)
==========

to

==========
Android: ResourceExtractor.java: Extract files atomically

Extracts to a temporary and then moves them into place.
The goal is to avoid half-extracted files (e.g. upon crash
or power failure). The extractor does not validate them
on start-up.

BUG=691719

Review-Url: https://codereview.chromium.org/2828583002
Cr-Commit-Position: refs/heads/master@{#465592}
(cherry picked from commit 4c8239ac8c3c3dd581963aeb6e5dcb2e381d0b58)

Review-Url: https://codereview.chromium.org/2847923004 .
Cr-Commit-Position: refs/branch-heads/3071@{#293}
Cr-Branched-From:
a106f0abbf69dad349d4aaf4bcc4f5d376dd2377-refs/heads/master@{#464641}
Committed:
https://chromium.googlesource.com/chromium/src/+/bf64cf69693a7a7611f1f484ad93...
==========

[agrieve, 2017-04-28 15:27:50]

Committed patchset #1 (id:1) manually as
bf64cf69693a7a7611f1f484ad93315bf4b34d2c.